The lowest scores in relation to par in a five-round (90-hole) tournament on the PGA Tour:
- 36-under - Joe Durant, 2001 Bob Hope Chrysler Classic, 324, par-72
- 35-under - Tom Kite, 1993 Bob Hope Chrysler Classic, 325, par-72
- 33-under - John Cook, 1997 Bob Hope Chrysler Classic, 327, par-72
