The record for most birdies in a 72-hole tournament on the PGA Tour is 32 and it is shared by two golfers:
32
• Mark Calcavecchia, 2001 Phoenix Open
• Paul Gow, 2001 B.C. Open
Two other golfers have reached 31 birdies:
31
• John Huston, 1998 United Airlines Hawaiian Open
• Phil Mickelson, 2006 BellSouth Classic
Source: PGA Tour
