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Rethinking the greatest Masters performances in history

Posted by Andrew Mooney  April 11, 2013 10:51 AM

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Cue Jim Nantz and the tinkling piano: the Masters is officially under way. The field of 93 will attempt to duplicate the legendary green jacket-winning performances of years past, including a “who’s who” of golfing royalty: Tiger Woods, Jack Nickalus, Arnold Palmer, Phil Mickelson, Seve Ballesteros.

Though the competitors always play the same course, Augusta National has undergone many significant changes since it hosted the first Masters tournament in 1934. As a result, it’s difficult to compare performances at the Masters across the years. Simply tabulating raw scores is not the most accurate way to do it; in different years, the field faces different temperatures, winds, and moisture, not to mention the alterations to the course itself and the equipment in players’ bags.

In a piece written in 2011, Grantland’s Bill Barnwell proposed another method for evaluating golf scores using a statistical measure called a Z-score. Barnwell’s argument was that a golfer’s actual raw score was less important than how that score compared to the rest of the field.

Take two victories by Golfer A and Golfer B, each of whom shoot 11-under-par, while the runners-up each shoot 6-under-par. They look equal, but the rest of the field's performance matters. Let's say the third-place finisher in Golfer A's tournament shoots 5-under-par, but the third-placed duffer in Golfer B's tourney shoots 1-over-par. Player B has clearly outperformed the rest of the field to a greater level than Player A, but raw margin of victory fails to capture that detail.

A Z-score measures the number of standard deviations a particular observation is from the mean of those observations. When applied to golf scores, a Z-score can tell us how different a player’s score was from the average, in addition to incorporating the range of those scores. Barnwell applied this method to the four major tournaments and recorded the top-20 performances since 1960, three of which came at the Masters, which you can read here.

As the first round kicks off today, I decided to examine the greatest performances in the history of the Masters more in-depth. I gathered the 72-hole scores for every Masters tournament, pulling the data from golfobserver.com all the way back to 1934. I then converted each year’s raw scores into Z-scores so I would have a uniform standard for comparison across years. Since a low score in golf is good, a more negative Z-score reflects a better performance. The 20 best scores are in the table below.


Many people point to Tiger Woods’ 1997 Masters as the most impressive 72 holes Augusta has ever seen, significant not only for his otherworldly display of golf, but for the fact that it came at age 21, it was his first major win, and it was the first time a non-white player had won the tournament.

Though Woods’ score of 270 remains a tournament record, his performance was slightly less superior relative to the rest of the field than Jack Nicklaus’ 271 in 1965. Woods defeated second-place Tom Kite by 12 strokes in 1997, three more than Nicklaus bested Arnold Palmer by. But only eight other players were under par in the 1965 tournament, compared to 15 in 1997. Nicklaus’ lower Z-score suggests that his total of 17-under came in a more difficult overall course environment and thus exhibited more dominance than Tiger’s 18-under.

A couple of other takeaways from this list:

  • Woods, Nicklaus, Raymond Floyd, and Nick Faldo are the only golfers to appear on this list more than once.
  • In 2005, Chris DiMarco submitted one of the best-ever Masters performances and finished second, falling to Woods in a playoff, much to the relief of the Nike marketing department.
  • Doug Ford tied with Tommy Aaron for the worst to-par score on this list at five-under, but in Ford’s case, only two other players in the tournament finished under par.
  • In gathering this data, I was also able to uncover the worst performances in Masters history (for players that made the 36-hole cut). The most shameful 72-hole score at Augusta came in 1940, when Chick Evans posted a 43-over, shooting 82-84-86-79 for a total of 331 (Z-score: 3.627). In second-to-last place is the aforementioned Tommy Aaron’s 2000 Masters, which came 27 years after he donned the green jacket. A score of 25-over can be forgiven for a man of 63, but it still yielded a ghastly Z-score of 3.346.
This blog is not written or edited by Boston.com or the Boston Globe.
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Stats Driven is powered by David Sabino, who over the last two decades has been a source of statistical analysis on the pages of Sports Illustrated, New York Times, and Chicago Tribune. David has written about all seven recent Boston-area championships for Sports Illustrated Presents commemorative issues, was the creator of such long time features as SI’s Player Value Ranking, NBA Player Rating and long running fantasy football and baseball columns.

He has also authored or made contributions to many books, including the Sports Illustrated’s 100 Fenway: A Fascinating First Century.

Now living in Marblehead, he’s focusing his attention on the Boston sports scene, specifically delving into the numbers affecting the Red Sox, Patriots, Celtics and Bruins, with the goal of informing and entertaining real fans. You can follow him on Twitter at @SabinoSports.

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