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Player record
John Mahaffey
4 results documented in AGA.
Championship results
These are the results held by AGA, not a complete career record.
Filter results
Showing 1–4 of 4 results
- 1989
WinnerScore 272 (-12)
- 1986
WinnerScore 275
- 1978
WinnerScore 276Decided by playoff
- 1975
Runner-upScore 287Decided by playoff
Sources & record notes
Identity
John Mahaffey
PGA official Championship winner recordResult sources
- 1989 Federal Express St. Jude Classic WinnerScore 272 (-12)PGA TOUR 2019 WGC-FedEx St. Jude Invitational Media Guide
- 1986 Tournament Players Championship WinnerScore 275THE PLAYERS: 2026 Media Guide
- 1978 PGA Championship WinnerScore 276Decided by playoffPGA official Championship result
- 1975 U.S. Open Runner-upScore 287Decided by playoffUSGA: 2026 U.S. Open Record Book
Membership sources
- Houston men's golf Member ofCollegiate entrant (1969)University athletics championship records