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Lowery was only 10 years old when he helped former caddie Ouimet stage the biggest upset in golf history and win the 1913 U.S. Open.
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Argea, instantly recognizable by his gray Afro hairstyle, was on the bag for 44 of Nicklaus' PGA Tour wins.
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Anderson caddied for Palmer in Britain for more than 30 years, including Palmer's Open wins at Royal Birkdale in 1961 and at Royal Troon in 1962.
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Dyer caddied for Player for 18 years, including Player's 1974 victory in The Open.
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Mitchell was the longtime bag-toter for Trevino, who loved to tell stories about "Herman."
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Fyles was Watson's caddie for The Open, a championship Watson won five times.
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The story goes that Edwards, Watson's longtime PGA Tour caddie, told his boss to get his chip from deep rough in the 1982 U.S. Open at Pebble Beach "close," and Watson responded that he was going to hole it. Which he did.
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Jack Nicklaus liked to rotate caddie duties in the Masters among his sons, and it was oldest son Jack II's good fortune to have his number called in 1986, where he had a front-row seat to watch golf history being made.
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Jackson was Crenshaw's longtime Masters caddie, so when Crenshaw won in 1995 shortly after the death of his mentor, Harvey Penick, Jackson helped him get through the overwhelming emotion of the moment.
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Bender won with eight different players during his career, including Greg Norman's 1986 win in The Open.
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In an era when female caddies were extremely rare, Swede Sunesson, a former amateur player, helped guide Faldo to four major championships in nine years.
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When ninth alternate Daly took Nick Price's place in the 1991 PGA Championship, he took Price's caddie, too. Then he took the championship against all odds.
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McNamara was on the bag of Sorenstam, the LPGA's No. 1 player, for many years.
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Cowan was Woods' first regular caddie on the PGA Tour, but he got the sack at least in part because he was cultivating his own celebrity (here he's pictured signing autographs).
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The combative New Zealander was on Woods' bag from 1999 to 2011, but Woods fired him and their relationship soured.
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Mild-mannered LaCava, who had worked several years for Fred Couples, was Woods' choice to replace Steve Williams.
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When Scott won the 2011 WGC-Bridgestone Invitational, Williams threw major shade on Tiger Woods by saying "that's the best win I've ever had."
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The partnership between Els and Roberts goes back to 1992, but it isn't an unbroken line. Roberts says he's been fired and rehired more times than he can remember.
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Even though he was fired by Tiger Woods, Cowan is too good a caddie not to hook on with someone else. Low-key Jim Furyk provided the perfect landing spot for him.
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LaCava was Couples' caddie from 1990 through the 2011 Masters. he was on the bag for Couples' win at Augusta in 1992.
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DJ's brother is described as being almost as much of a flatliner as he is, which might help explain why they work so well together.
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We keep waiting for fisticuffs to break out the next time Bubba appears to throw his caddie under the bus. But what do we know? They've made it work to the tune of two green jackets.
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A top-notch senior player in his own right, Green has been on Johnson's bag since 2004.
Image of Bryson DeChambeau and how his body has transformed, through the years, from an NCAA champion to becoming a multiple PGA Tour winner.
Here's a look at some of the best photos of the Match II with Tiger Woods, Peyton Manning, Phil Mickelson and Tom Brady from Medalist Golf Club.
A look at some of the best photos from the TaylorMade Driving Relief, won by the team of Rory McIlroy and Dustin Johnson.