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Opinion & Analysis

The stats behind Phil Mickelson’s switch to Andrew Getson

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It was big news in the golf instruction industry when Phil Mickelson decided to part ways with long-time coach Butch Harmon and hired Andrew Getson to take over. Mickelson was not exactly performing poorly by normal Tour standards, as he made 16 out of 19 cuts and finished 48th in Adjusted Scoring Average for the season. But Mickelson’s seasons are judged by victories and performance in the majors, and Phil may have felt that there was a need to change after two winless seasons.

As a golf statistician, I wanted to look at Phil’s performance from this past season along with his performance in his most recent “big” season, 2013, when he won the British Open, finished 12th in Adjusted Scoring Average and earned nearly $5.5 million. I would assume that performance in 2013 is something that Phil wants to get back to.

Mickelson_instructor_switch_chart_1-1

While the two most important metrics in the chart above are Par-4 Scoring Average and Bogey Rate, it’s always good to look at all of the metrics to help paint a more clear picture of what is going on with the golfer’s game. In Phil’s case, the drop-off in Par-4 Scoring Average and Bogey rate is dramatic and needs to be addressed.

For most of Phil’s career, he’s been a great iron player and a weak driver of the ball with fantastic ability to get up-and-down. So I would immediately wonder how his typical game is playing a factor in this decline in performance. The silver lining in all of this, however, is that he can still make a lot of birdies.

DRIVING DATA

Mickelson_instructor_switch_2

The driving metrics are interesting because the only sub-category of metrics that Phil was better in this season was driving distance. He ended up 74th in Driving Effectiveness, however, the main reason being is that Mickelson ranked third in terms of driving difficulty schedule. I have found it easy for a Tour player to fall in the trap of thinking he is not performing well in a certain area of the game when the reality is that the difficulty has amplified. He can actually be doing well in terms of his performance versus the rest of the field.

For instance, TPC Summerlin is one of the most difficult courses to hit short-game shots (inside 30 yards) on the entire Tour schedule. Thus, I remind my clients to not get too down on themselves if they are not hitting their short-game shots close. The make percentage on the greens is higher, too, so they can save par anyway. This may have been a problem for Phil. He may have felt that his driving performance was not improving, but in reality the conditions and course designs were more difficult than they have been in the past.

APPROACH SHOT DATA

Mickelson_instructor_switch_3

Iron play has usually been Phil’s greatest strength, and it was on display in the 2013 season. It is becoming a weakness now, however. The drop-off is larger from 100-150 yards, but the smart move would be to work on his performance from 175-225 yards, because that will have a bigger influence on lowering his scores.

And just so we can make sure that his drop in iron play is not due to missing more fairways, here is his performance from the fairway versus the rough.

Mickelson_instructor_switch_4-1

Also, there was a new metric that I started to record this year: Scoring Average on Dogleg Left Holes versus Dogleg Right Holes versus Straight-Away Par-4’s (adjusted based on hole difficulty).

Mickelson_instructor_switch_5-1

I find these metrics interesting. Phil’s overall driving has improved, but while he hits a ball that curves from right-to-left his performance on the DogLeg left Par-4’s is much worse.

While I am in the initial stages of studying the doglegs versus the straight-away par-4’s, the initial analysis shows that more of the very long Par-4’s (460+ yards) tend to be DogLeg left holes. With Phil’s performance from 150-225 yards regressing, that may explain why he has struggled on the dogleg left par-4’s this past season. And that regression on longer approach shots would help explain his struggles on the par-3’s, as par-3 play is one part iron play, one part short game and one part putting outside 20-feet.

SHORT GAME DATA

Mickelson_instructor_switch_6

Phil’s Total Short Game performance has regressed mainly because he has regressed most from the most important distance, 10-20 yards. This would play a bigger factor in his struggles on the Par-3’s and his ability to avoid bogeys on the Par-4’s. Essentially, he is not hitting as many GIR because of his iron play, and cannot hit his short game shots close enough to put himself in good position to save par.

PUTTING DATA

Mickelson_Instructor_Switch_7

Phil still putted well in 2015, so I don’t think that is a big issue. In fact, the history on Tour shows he was not likely to sustain his putting from outside 15-feet regardless of what he did after the 2013 season.

I expect Phil to continue to work on his driving, which is not necessarily a bad idea. However, he made nearly $5.5 million and won a major while driving the ball poorly in 2013. I think the better move is to focus on getting his iron play back, particularly from 150-225 yards, and see if they can regain his old short game form.

Richie Hunt is a statistician whose clients include PGA Tour players, their caddies and instructors in order to more accurately assess their games. He is also the author of the recently published e-book, 2018 Pro Golf Synopsis; the Moneyball Approach to the Game of Golf. He can be reached at ProGolfSynopsis@yahoo.com or on Twitter @Richie3Jack. GolfWRX Writer of the Month: March 2014 Purchase 2017 Pro Golf Synopsis E-book for $10

15 Comments

15 Comments

  1. Steve Allison

    Dec 4, 2015 at 10:45 am

    Phil needs to get shed of that old timey putter, Please Phil go to Scotty!!

  2. Steve Allison

    Dec 4, 2015 at 10:40 am

    The best thing Phil needs to do is to get rid of the old timey putter and go to Scotty Cameron and let Scotty make a putter that is right for him.

  3. Jack

    Dec 3, 2015 at 9:23 am

    Great article. Another good read from Rich! Really interested to see the findings on dog legs. I’m thinking that you may see better scoring with players that shape the ball against the shape of the hole. Ie misses will more likely be on the ‘far side’ of the dog leg!

  4. Pingback: Back Nine News – The Best Golf Stories & Videos of the Week | Golf Science

  5. I'm Ron Burgundy??

    Dec 2, 2015 at 2:18 pm

    I enjoyed the analysis! It is very interesting to see stuff like this and number do not lie. I wonder how much is rheumatoid arthritis has played into his ability to be able to practice and play as often as he would like? I would assume that someone with his condition has good and bad days.

  6. Richard

    Dec 2, 2015 at 5:52 am

    Very interesting but with one error which I wish all columnists at Golfwrx would get right. It is The Open NOT The British Open.

    • Richard

      Dec 3, 2015 at 4:06 am

      HI Bubba. With respect, please check out the PGA Tour Schedule for 2015/16… http://www.pgatour.com/news/2015/07/30/schedule-release.html
      You will see that the PGA tour even call it “The Open Championship”. Calling it the British Open would be like calling The Masters The American Masters as there are various Masters tournements around the world. I know I’m being a golf pedant. 🙂

      • Bob

        Dec 6, 2015 at 2:17 am

        Isn’t calling it the British Open more analogous to calling the men’s open tournament run by the USGA the “U.S. Open”?

  7. Bobalu

    Dec 1, 2015 at 6:19 pm

    RH- Well done. Interesting analysis. Let us know if Phil sees this and gives you any feedback.

  8. Greg V

    Dec 1, 2015 at 12:30 pm

    Phil won $5.5 million in 2013 based largely on wins at the Scottish Open, Open Championship and a second place finish in the US Open. The keys to his fine play in those three tournaments were Phil’s use of the mini driver off the tee, and fantastic wedge play.

    The mini driver and excellent wedge play are really all you need to know about the keys to Phil’s ability to win another major.

    • Richie Hunt

      Dec 1, 2015 at 2:18 pm

      Greg V –

      I don’t have the data for those specific events because 2 are majors and the other is the Scottish Open which does not count towards those $5.5 million in earnings (PGA Tour only). You will generally find that in the Majors, shots from 175-250 yards matter most if you want to segment them. Driving is typically more important at the US Open than at the British Open. But, wedge play rarely makes a substantial impact. I think from 2013 we can see how elite Phil’s iron play was and I would imagine that it carried over to the British, Scottish and US Opens. In Phil’s years using the mini-driver, his driving still wasn’t very effective.

  9. cgasucks

    Dec 1, 2015 at 11:28 am

    While I understand why Phil had to change instructors, he has to accept the fact that he’s not the young gun as he once was in the late 90s and early 2000s (Jordan, Rory, Jason and Dustin have that torch now) and his career is on the downswing. He’ll have to accept 10 ten finishes at best while he is old enough for the Champions tour.

  10. HG Wells

    Dec 1, 2015 at 11:25 am

    I do think we’ve all been waiting for the other shoe to drop with the RA and it’s effect on his game. And of course his age can’t be overlooked, although based on his driving distance he’s still plenty competitive athletically. Really though, looking at those stats, doesn’t just look like someone who hasn’t been playing as much golf? It really all looks like just an overall decline in sharpness due to fewer reps in the practice area. It’s always seemed to me that his golf game kept his interest much longer than most of the top money winners in the era of instant-millionaire golf, but it’s only natural to slow down a bit when life is frankly pretty damn good by all appearances. And with that much money on the table, the young guys are now grinding harder than ever to get there.

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Opinion & Analysis

Brandel Chamblee PGA Championship Q&A: Rose’s huge McLaren risk, distracted LIV pros and why Aronimink suits the bombers

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PGA Championship week is here, and Brandel Chamblee did not hold back in our latest discussion ahead of the season’s second major.

In our 2026 PGA Championship Q&A, golf’s leading analyst made the case that PIF pulling LIV’s funding has left its players competing in a state of confusion, called Justin Rose’s mid-season equipment switch a huge risk at 45, and explained why Aronimink will be a bombers’ delight this week.

Check out the full Q&A below.

Gianni: With the PIF confirming that they’re pulling funding from LIV at the end of the season, what impact do you expect that to have on the LIV players competing at the PGA Championship?

Brandel: I would imagine that they have all been thrown into a state of confusion, and will be distracted, not knowing where they are going to play next year and not knowing exactly their road back to either the DP World Tour or the PGA Tour. Or in Rahm’s case, being tied to a sinking ship for the next few years, likely playing for pennies on the dollar in events that no one cares about or watches.

I doubt this would put him in the best frame of mind to compete at his highest level. Keeping in mind, however, that majors are the only time that LIV disciples get to play in events that matter, so never disregard the motivation they have to prove to the world they are still relevant.

Gianni: Justin Rose switched to McLaren Golf equipment mid-season while playing some of the best golf of his career. What do you make of the change?

Brandel: I don’t really know what to make of Rose switching equipment. It seems a huge risk on his part, even though it is likely, in my opinion, that the clubs he’s playing are similar, if not the exact grinds, to what he was playing previously, with a McLaren stamp on them.

Having said that, at best, it is a distraction when he seemed to be as dialed in with his game as any 45-year-old could be and trending in the majors to perhaps do something that would definitely put him in the Hall of Fame. At worst, given the possibility that these clubs aren’t just duplicates of his old set stamped with McLaren on them, he’s made an equipment change that would take time, and 45-year-old athletes don’t have the time to do such things.

Gianni: Aronimink has only hosted a handful of professional events since it hosted the 1962 PGA Championship. What kind of test does it present, and does a course with less recent major championship history tend to level the playing field?

Brandel: Even though Aronimink has only hosted a handful of meaningful professional events, it has been fairly discerning in who can win there. When Keegan Bradley won the BMW Championship on the Donald Ross masterpiece in 2018, he was the 2nd best iron player on tour coming into that week. When Nick Watney won the AT&T at Aronimink in 2011, he was 2nd in strokes gained total coming into the week.

In 2020, Aronimink hosted the KPMG Championship, and Sei Young Kim won. On the LPGA that year, she was first in greens in regulation, putts per green in regulation, and scoring average on the way to being the LPGA player of the year. And then there is the 1962 PGA Championship won by Gary Player, who eventually became just one of a few players to win the career grand slam on the way to winning 9 majors. It is a formidable test, and if it’s not softened by rain, it will bring out the best in the upper echelons of the game.

Gianni: Is there a specific hole at Aronimink that you think will do the most to decide the winner?

Brandel: The hardest hole at Aronimink in each of the three tour events that have been played there since 2010 has been the long par-3 8th hole, with the par-4 10th being the second hardest, so most of the carnage will happen around the turn, but with the par-5 16th offering opportunities for bold plays and the tough closing holes at 17 and 18, the finish is likely to be frenetic.

Gianni: The PGA Championship has always sat in the shadow of the other majors. What does the ideal PGA Championship look like in your eyes, and what would it take for it to carve out its own identity?

Brandel: The PGA Championship, to whatever degree it suffers from the comparison to the other three majors, is still counted just as much when adding them up at the end of one’s career. Almost 1/3 of Nicklaus’ major wins were the five PGA Championships he won. Walter Hagen won 11 majors, five of which were PGA Championships.

Tiger Woods twice in his career won back-to-back PGA Championships, and those four majors count just as much as the other 11 he won. The PGA may not have the prestige of the other three, but it carries the same weight. Having said that, I preferred the identity that it had as the last major of the year.

Gianni: You nailed your Masters picks. Rory won, Scottie finished solo second, and Morikawa surged to a tie for seventh. Who are your top 3 picks for the PGA Championship and why?

Brandel: I am not a huge fan of majors played on golf courses that have been shorn of most of the trees, although I understand some of the agronomic reasons for doing so and of course the ease with which it allows members to play after errant drives. However, at the highest level, it all but eliminates any strategy off the tee and turns professional golf into an even bigger slugfest. That means that it will likely be a bomber’s delight this week, but fortunately, Scottie Scheffler is long enough to play that game and straight enough to play it better than anyone else.

The major championships give us very few surprises anymore, going back to the beginning of 2012, so the last 57 majors played, the average world rank of the winners has been better than 15th in the world. So look at the highest ranked and longest drivers who are on form coming into the PGA Championship who also have great short games as the surrounds at Aronimink are very challenging. That’s Scottie Scheffler by a mile and then McIlroy and Cameron Young with a far bigger nod towards DeChambeau than I gave him at the Masters.

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Club Junkie

A putter that I love and hate – Club Junkie Podcast

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In this episode of the Club Junkie Podcast, we dive into one of the most interesting flatstick releases of the year with a full review of the new TaylorMade SYSTM 2 putters. After spending time on the greens, I break down what makes this design stand out, where it performs, and why it has me completely torn between loving it and fighting it. If you are into feel, alignment, and consistency, this is one you will want to hear about.

We also take a look at some of the putters in play on the PGA Tour last week. From familiar favorites to a few surprising setups, there is always something to learn from what the best players in the world are rolling with under pressure.

To wrap things up, I walk through the process of building a set of JP Golf Prime irons paired with Baddazz Gold Series shafts. From component selection to performance goals, this is a deep dive into what goes into creating a unique custom set and why this combo has been so intriguing.

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Opinion & Analysis

From 14 handicap to pro: 4 things I’d tell golfers at 50

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This year my 50th birthday. Gosh, where has the time gone?

As a teenager in rural Missouri, some of my junior high and high school years felt interminable. Graduation seemed light years away. But the older I get, the faster life seems to fly by.

I’m also increasingly aware of my mortality. My dad died recently. Earlier this year, a friend and fellow PGA of America professional and I were texting about our next catch-up. The next message I received was news of his unexpected passing at 48. Shortly after, a woman I dated in college succumbed to cancer at 51.

Certainly, one can share perspective at any age. Seniors help freshmen, veterans guide rookies. But reaching this milestone feels like as good a time as any to do one of those “what would I tell my younger self?” articles.

I’ve had a uniquely varied career in golf. I started as a 27-year-old, average-length-hitting, 14-handicap computer engineer and somehow managed to turn pro before running out of money, constantly bootstrapping my way forward. I’ve won qualifiers and set venue records in the World Long Drive Championships, finished fifth at the Speedgolf World Championships, coached all skill levels as a PGA of America professional, built industry-leading swing speed training programs for Swing Man Golf, helped advance the single-length iron market with Sterling Irons®, caddied on the PGA TOUR and PGA TOUR Champions, and played about 300 courses across 32 countries.

It’s been a ride, and I’ve gone both deep and wide.

So while I can consult and advise from a lot of angles, let me keep it to a few things I’d tell the average golfer who wants to improve.

1. Think About What You Want

Everyone has their own reason for picking up a golf club.

Oddly, as a professional athlete, I’m not internally driven by competition. That can be challenging, as the industry currently prioritizes and incentivizes competition over the love of the game.

For me, I love walking and being outdoors. Nature helps balance my energy. I prefer courses that are integrated into the natural beauty of their surroundings. I’m comfortable practicing alone. I’m a deep thinker, and I genuinely enjoy investigating the game, using data and intuition to unearth unique, often innovative insights. I’m fortunate to be strong and athletic, so I appreciate the chance to engage with my abilities. Traveling feels adventurous. I could go on.

You don’t have to overthink it like I do. For you, it might be as simple as hitting balls to escape work, hanging out with friends, and playing loosely with the rules and the score.

The point is to give yourself permission to play for your own reasons, and let that be enough.

But if improvement is your goal, thinking about your destination—and when you want to get there—is important, because it dictates the steps you need to take. When I set out to go from a 14-handicap to the PGA TOUR as quickly as possible, the steps I needed were very different from those of a working golfer trying to break 90 in six months. That’s also different from someone who just wants a few peaceful hours outside each week, away from work or family.

None of these goals are better than the others, but each requires a different plan that you can work backward from.

2. There Are Lots of Things That Can Work

One of the challenges of golf is that, although there are rules for playing, there aren’t clear, industry-wide standards for how to best play the game. There’s a lot of gray area.

You might hear a top coach or trainer insist that a certain move is the best way to swing or train. Then you dig a bit deeper and, much to your confusion and frustration, another respected coach or trainer says something completely different. I don’t think anyone is trying to confuse you—at least I hope not. It’s just where the industry is right now.

You have to be careful with advice from tournament pros, too. They might be great at scoring, but they’re also human and sometimes just as susceptible as amateurs to believing things that don’t really move the needle. Tour players might describe what they feel, but that’s not always what they’re actually doing when assessed with technology.

I recently ran a test on my YouTube channel (which connects to my GolfWRX article “How to use your hands in the golf swing for power and accuracy”), and, interestingly, two of the most commonly taught hand actions produced the worst results in the test.

Coaches can certainly help. If you find someone you connect with to help navigate, that’s great. But there are many ways to get the ball in the hole. In the current landscape, you may need to seek multiple opinions, think critically, and use your own intuition to discern what seems true and whose advice resonates with you.

I’d recommend seeking someone who is open-minded and always learning, because things constantly change. Absolutes like “correct” or “proper” should raise a red flag. AI can be useful, but it tends to confidently repeat popular advice, so proceed with caution.

3. Get Custom Fit

If you’re serious about becoming a better player, getting custom fit is hugely important. There’s no sense fighting your equipment if you don’t have to. Most better players get fit these days and, if they don’t, they’re usually skilled enough to work around clubs that aren’t ideal.

If you plan to play for a long time, it’s worth spending a little more upfront to get something that truly fits you and your game, rather than continually buying and discarding equipment.

Equipment rules haven’t really changed significantly since the early 2000s. To stay in business, manufacturers keep pushing those limits. If you pull a bunch of clubs and balls off the rack and test them, you’ll find differences. I’ve tested two new drivers and seen a 30-yard total distance gap. Usually, the issue isn’t bad equipment; it’s that the combination of components simply isn’t the best fit.

It’s like wearing a new pair of floppy clown shoes. Sure, they’re shoes—but you won’t sprint your best in them compared to track shoes that fit perfectly.

Be wary of what’s called custom fitting, too. Sometimes the term is used as a marketing strategy rather than an actual fitting. In some retail settings, fitters may be incentivized to steer you toward higher-priced components. That doesn’t automatically mean it’s not the best fit, but you should be aware of potential biases.

I learned a version of this lesson outside of golf. Years ago, I bought a tennis racquet at a big box store from a seemingly knowledgeable employee who thought it would suit me best. The racquet gave me tennis elbow, and I spent months recovering with rest and acupuncture. The next season, I invested more time and money to find what actually fit me, and I walked away with something amazing that I still play with years later.

So if you’re going to get fit, be smart about it.

Find someone you believe has deep knowledge—possibly with certifications, but not necessarily. Make sure there’s a wide inventory across many brands. Check recent reviews for the individual fitter if possible. Make sure you trust that the fitter has your best interests at heart. If they’re wearing a hat or shirt with a specific brand’s logo, proceed with caution. Unless you specifically want a certain brand or look, be wary of upsells, especially if two options perform nearly the same.

Also, while golf is called a sport of integrity, there’s a thread of manipulation in the industry. I once drafted an equipment article for an industry magazine, structured just like one of their previous popular stories, with matching word count and great photos. The assistant editor loved it; it was useful to readers and required little work on his part. But the editor-in-chief nixed the story. When I asked why, I was told it was because I wasn’t an advertiser. It turned out the article I’d modeled mine after was a paid ad cleverly disguised as editorial content.

I really dislike games, clickbait, and fear-based manipulation. I hope this changes, but golfers deserve to know it exists.

4. Distance and Strategy Matter

There’s a real relationship between how far you hit the ball and your scoring average, even at the PGA TOUR level.

I experienced this early in my pro career. I started as a power hitter, swinging in the high 120s and breaking 200 mph ball speed with a stock driver.

Back then, some instructors advised swinging at 80%, so I tried slowing down for more accuracy. That worked fine on shorter, tighter courses. But on longer setups, I was coming into greens with too much club, and par 5s stopped being

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