The lowest scores in relation to par over 72-holes on the PGA Tour:
31-under
• Ernie Els, 2003 Mercedes Championship, 261 total, par-73
29-under
• Joe Durant*, 2001 Bob Hope Chrysler Classic, 259, par-72
• Tim Herron*, 2003 Bob Hope Chrysler Classic, 259, par-72
28-under
• John Huston, 1998 United Airlines Hawaiian Open, 260, par-72
• Mark Calcavecchia, 2001 Phoenix Open, 256, par-71
• Stuart Appleby*, 2003 Las Vegas Invitational, 259
• Phil Mickelson, 2006 BellSouth Classic, 260, par-72
*First four rounds of 5-round tournament
Pity poor Tim Herron. He makes this list, but he didn't even win the tournament. Herron finished tied for third.
Source: PGA Tour
