Billy Casper Senior PGA Tour wins (9) Senior PGA Tour wins (9)

| Date_ | Tournament | Winning_score | Margin_of_victory | Runners_up |
|---|---|---|---|---|
| Aug 28, 1982 | Shootout at Jeremy Ranch | –9 (74-71-69-65=279) | 1 stroke | Miller Barber , Don January |
| Sep 19, 1982 | Merrill Lynch/Golf Digest Commemorative Pro-Am | –10 (68-7-68=206) | Playoff | Bob Toski |
| Jul 25, 1983 | U.S. Senior Open | +4 (73-73-69-73=288) | Playoff | Rod Funseth |
| Apr 22, 1984 | Senior PGA Tour Roundup | –14 (68-69-65=202) | 2 strokes | Bob Stone |
| Mar 15, 1987 | Del E. Webb Arizona Classic | –15 (68-65-68=201) | 5 strokes | Bob Charles , Dale Douglass |
| Jun 28, 1987 | Greater Grand Rapids Open | –13 (69-68-63=200) | 3 strokes | Miller Barber |
| May 8, 1988 | Vantage at The Dominion | –14 (70-68-67=205) | 1 stroke | Chi-Chi Rodríguez |