| 1980 | San Jose | Calif | A+ | - | sea | 23 | p | - | 33 | 4 | 3 | -- | -- | .500 | .000 | .000 | 0.00 | 0.0 | 1 | 0 | 0.0 | 0.0 | 50.0 | -- | -- | -- | -- | -- | -- | 73-66 | 2 | Bill Plummer |
| 1991 | SF Giants | NL | MLB | 40 | sf | 34 | p | 86 | 35 | 80 | 67 | 1 | 0.4 | .255 | .042 | .042 | 0.00 | 0.0 | 10 | 3 | 23.1 | 0.0 | 25.0 | 2.16 | 3.3 | 265 | 69.4 | 30.6 | 8.7 | 75-87 | 4 | Roger Craig |
| 1992 | Phoenix | PCL | AAA | - | sf | 35 | p | - | 3 | 9 | 8 | 0 | -1.2 | .125 | .000 | .000 | 0.00 | 0.0 | 1 | 0 | 0.0 | 0.0 | 11.1 | -- | -- | -- | -- | -- | -- | 66-78 | 4 | Billy Evers |
| | SF Giants | NL | MLB | 40 | sf | 35 | p | 74 | 28 | 66 | 61 | -4 | -1.7 | .079 | .056 | .019 | 0.13 | 0.0 | 2 | 1 | 33.3 | 3.0 | 24.2 | 4.10 | 3.5 | 229 | 69.4 | 30.6 | 7.0 | 72-90 | 5 | Roger Craig |
| 1993 | SF Giants | NL | MLB | 40 | sf | 36 | p | - | 16 | 42 | 32 | 2 | 1.5 | .310 | .054 | .000 | 0.25 | 0.0 | 9 | 0 | 0.0 | 4.8 | 19.0 | 1.67 | 3.4 | 144 | 65.3 | 34.7 | 2.8 | 103-59 | 2 | Dusty Baker |
| 1994 | Phoenix | PCL | AAA | - | sf | 37 | p | - | 3 | 5 | 2 | 1 | 18.2 | .500 | .250 | .000 | -- | 0.0 | 2 | 0 | 0.0 | 20.0 | 0.0 | -- | -- | -- | -- | -- | -- | 70-72 | 4 | Carlos Alfonso |
| | SF Giants | NL | MLB | 40 | sf | 37 | p | - | 10 | 22 | 21 | -1 | -1.8 | .083 | .000 | .000 | 0.00 | 0.0 | 1 | 0 | 0.0 | 0.0 | 22.7 | 3.25 | 4.3 | 95 | 68.4 | 31.6 | 8.4 | 55-60 | 2 | Dusty Baker |
| Minor League Totals (3 years) | 39 | 18 | 13 | 1 | 1.9 | .286 | .059 | .000 | 0.33 | 0.0 | 4 | 0 | 0.0 | 5.6 | 16.7 | -- | -- | -- | -- | -- | -- | .492 | -- | |
| AAA Totals (2 years) | 6 | 14 | 10 | 1 | 2.5 | .250 | .077 | .000 | 1.00 | 0.0 | 3 | 0 | 0.0 | 7.1 | 7.1 | -- | -- | -- | -- | -- | -- | .476 | -- | |
| A+ Totals (1 year) | 33 | 4 | 3 | 0 | 0.3 | .500 | .000 | .000 | 0.00 | 0.0 | 1 | 0 | 0.0 | 0.0 | 50.0 | -- | -- | -- | -- | -- | -- | .525 | -- | |