| Best Score First 36 Holes: |
| 131 (11 under) by Hal Sutton (65-66) in 1983 |
| 131 (11 under) by Vijay Singh (68-63) in 1993 |
| 131 (11 under) by Ernie Els (66-65) in 1995 |
| 131 (11 under) by Mark O’Meara (64-67) in 1995 |
| 131 (9 under) by David Toms (66-65) in 2001 |
| 131 (9 under) by Shingo Katayama (67-64) in 2001 |
| 132 (8 under) by Raymond Floyd (63-69) in 1982 |
| 132 (8 under) by Nick Price (67-65) in 1994 |
| 132 (8 under) by Phil Mickelson (66-66) in 2001 |
| 132 (8 under) by Bob Estes (67-65) in 2001 |
| 132 (8 under) by Phil Mickelson (67-65) in 2005 |
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