Which of my three favorite golfers â Arnold Palmer, Jack Nicklaus or Tom Watson â has the most holes-in-one?

â Joe Triolo, Rockford, Ill.

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Itâs impossible to say just how many the three have combined to hit in leisurely rounds or during practice time, but hereâs what we found: According to his website, Nicklaus.com, Jack has hit 20 holes-in-one in professional competition. Long-time Palmer assistant Doc Giffin calculates that Palmer has had about 20 in his life, although that likely includes non-tournament play. Watsonâs number is tougher to pin down â itâs probably around 15 in competitive play â but he did thrill the crowd at the 2011 British Open at Royal St. Georgeâs with a hole-in-one at age 61. You didnât ask, but Art Wall, the 1959 Masters champion, holds the record; heâs credited with an astounding 45 holes-in-one during his professional career.