Arizona State's Phil Mickelson sinks his putt on No. 18 to win the 1991 Tucson Open. Bruce McClelland / Arizona Daily Star file photo

 Bruce McClelland / Arizona Daily Star file photo

Only a junior at ASU, Mickelson became the third amateur in golf history to win a PGA Tour event, played at the new TPC Starr Pass property. Mickelson then won the 1995 and 1996 Tucson Opens. 

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