Playoffs
| Year | Team | Games | Att | Cmp | Cmp% | Pass Yds | Pass TD | INT | Sacks | Y/A | Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1981 | SF | 3 | 88 | 56 | 63.6 | 747 | 6 | 4 | 7 | 8.5 | 94.3 |
| 1983 | SF | 2 | 79 | 45 | 57.0 | 548 | 4 | 2 | 2 | 6.9 | 84.8 |
| 1984 | SF | 3 | 108 | 67 | 62.0 | 873 | 7 | 5 | 8 | 8.1 | 89.8 |
| 1985 | SF | 1 | 47 | 26 | 55.3 | 296 | 0 | 1 | 4 | 6.3 | 65.6 |
| 1986 | SF | 1 | 15 | 8 | 53.3 | 98 | 0 | 2 | 0 | 6.5 | 34.2 |
| 1987 | SF | 1 | 26 | 12 | 46.2 | 109 | 0 | 1 | 4 | 4.2 | 42.0 |
| 1988 | SF | 3 | 90 | 56 | 62.2 | 823 | 8 | 1 | 6 | 9.1 | 117.0 |
| 1989 | SF | 3 | 83 | 65 | 78.3 | 800 | 11 | 0 | 1 | 9.6 | 146.4 |
| 1990 | SF | 2 | 57 | 40 | 70.2 | 464 | 3 | 1 | 5 | 8.1 | 104.7 |
| 1993 | KC | 3 | 104 | 59 | 56.7 | 700 | 4 | 3 | 8 | 6.7 | 78.2 |
| 1994 | KC | 1 | 37 | 26 | 70.3 | 314 | 2 | 1 | 0 | 8.5 | 102.8 |