| 1976 | Asheville | Wcar | A | - | tex | 20 | - | 16 | 16 | 102.0 | 3.62 | 1.41 | 8.47 | -- | 4.24 | 6.71 | 0.63 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0-0 | 0 | -- |
| 1977 | Tulsa | Tex | AA | - | tex | 21 | - | 23 | 23 | 154.0 | 2.51 | 1.31 | 7.60 | 0.35 | 4.21 | 7.54 | 0.56 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 66-62 | 1 | Marty Martinez |
| 1978 | Tucson | PCL | AAA | - | tex | 22 | 34 | 23 | 23 | 125.0 | 6.26 | 1.84 | 10.58 | 0.50 | 5.98 | 9.07 | 0.66 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 69-71 | 4 | Richard Donnelly |
| | Texas | AL | MLB | 44 | tex | 22 | - | 3 | 1 | 8.2 | 4.15 | 1.38 | 11.42 | -- | 1.04 | 8.31 | 0.13 | 1.83 | 1 | 0 | 34 | .324 | 36 | -- | -- | -- | -- | 87-75 | 2 | Billy Hunter, Pat Corrales |
| 1979 | Tucson | PCL | AAA | - | tex | 23 | 63 | 13 | 13 | 95.0 | 3.60 | 1.38 | 8.43 | 0.09 | 3.98 | 6.16 | 0.65 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 74-74 | 3 | Richard Donnelly |
| | Texas | AL | MLB | 44 | tex | 23 | - | 20 | 6 | 78.0 | 4.04 | 1.03 | 5.77 | 0.58 | 3.46 | 6.69 | 0.52 | 0.72 | 3 | 5 | 269 | .186 | 313 | -- | -- | -- | -- | 83-79 | 3 | Pat Corrales |
| 1980 | Texas | AL | MLB | 44 | tex | 24 | 60 | 53 | 2 | 109.2 | 2.63 | 1.35 | 8.04 | 0.33 | 4.10 | 8.53 | 0.48 | 1.00 | 2 | 2 | 404 | .243 | 468 | -- | -- | -- | -- | 76-85 | 4 | Pat Corrales |
| 1981 | Texas | AL | MLB | 44 | tex | 25 | 22 | 22 | 22 | 146.0 | 3.64 | 1.18 | 7.09 | 0.74 | 3.51 | 6.04 | 0.58 | 0.86 | 13 | 6 | 527 | .218 | 601 | 0.00 | 66.7 | 33.3 | 0.0 | 57-48 | | Don Zimmer |
| 1982 | Texas | AL | MLB | 44 | tex | 26 | 56 | 56 | 1 | 89.0 | 3.44 | 1.48 | 9.61 | 0.61 | 3.74 | 6.17 | 0.61 | 0.89 | 0 | 2 | 340 | .279 | 395 | -- | -- | -- | -- | 64-98 | 6 | Don Zimmer, Darrell Johnson |
| 1983 | Texas | AL | MLB | 44 | tex | 27 | 26 | 28 | 26 | 183.0 | 3.49 | 1.30 | 8.61 | 0.44 | 3.05 | 4.52 | 0.67 | 1.02 | 15 | 3 | 701 | .250 | 780 | -- | -- | -- | -- | 77-85 | 3 | Doug Rader |
| 1984 | Texas | AL | MLB | 44 | tex | 28 | 51 | 35 | 32 | 223.2 | 3.94 | 1.35 | 10.02 | 0.76 | 2.17 | 4.95 | 0.44 | 0.61 | 14 | 4 | 891 | .279 | 955 | -- | -- | -- | -- | 69-92 | 7 | Doug Rader |
| 1985 | Milwaukee | AL | MLB | 18 | mil | 29 | 19 | 39 | 29 | 217.2 | 3.80 | 1.27 | 8.77 | 1.41 | 2.69 | 5.17 | 0.52 | 0.75 | 14 | 4 | 834 | .254 | 919 | -- | -- | -- | -- | 71-90 | 6 | George Bamberger |
| 1986 | Houston | NL | MLB | 44 | hou | 30 | - | 12 | 8 | 54.1 | 2.32 | 1.09 | 8.28 | 0.50 | 1.49 | 6.63 | 0.23 | 0.75 | 4 | 0 | 209 | .239 | 222 | -- | -- | -- | -- | 96-66 | 1 | Hal Lanier |
| | Milwaukee | AL | MLB | 18 | mil | 30 | - | 27 | 14 | 130.1 | 3.52 | 1.19 | 8.29 | 0.90 | 2.42 | 5.52 | 0.44 | 0.66 | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- | 77-84 | 6 | George Bamberger, Tom Trebelhorn |
| 1987 | Houston | NL | MLB | 44 | hou | 31 | 29 | 33 | 30 | 195.2 | 3.59 | 1.29 | 8.46 | 0.78 | 3.17 | 6.16 | 0.51 | 0.85 | 18 | 5 | 748 | .246 | 833 | -- | -- | -- | -- | 76-86 | 3 | Hal Lanier |
| 1988 | Houston | NL | MLB | 44 | hou | 32 | 36 | 44 | 20 | 192.0 | 3.84 | 1.23 | 8.86 | 0.94 | 2.25 | 6.05 | 0.37 | 0.77 | 11 | 7 | 730 | .259 | 804 | 3.33 | 32.9 | 67.1 | 11.0 | 82-80 | 5 | Hal Lanier |
| 1989 | Houston | NL | MLB | 44 | hou | 33 | 55 | 68 | 0 | 122.0 | 2.36 | 1.02 | 6.79 | 0.59 | 2.43 | 7.67 | 0.32 | 0.39 | 0 | 2 | 434 | .212 | 482 | 3.61 | 31.5 | 68.5 | 12.3 | 86-76 | 3 | Art Howe |
| 1990 | Houston | NL | MLB | 44 | hou | 34 | 11 | 48 | 17 | 162.2 | 2.21 | 1.03 | 7.52 | 0.61 | 1.72 | 6.03 | 0.28 | 0.52 | 14 | 4 | 605 | .225 | 646 | 1.94 | 30.0 | 70.0 | 9.2 | 75-87 | 5 | Art Howe |
| 1991 | Boston | AL | MLB | 44 | bos | 35 | - | 12 | 12 | 68.0 | 5.16 | 1.26 | 9.40 | 1.99 | 1.99 | 5.56 | 0.36 | 0.34 | 5 | 4 | 270 | .263 | 292 | 3.70 | 33.3 | 66.7 | 7.1 | 84-78 | 3 | Joe Morgan |
| 1992 | Boston | AL | MLB | 44 | bos | 36 | - | 51 | 15 | 161.1 | 3.96 | 1.31 | 8.87 | 0.61 | 2.96 | 6.92 | 0.43 | 0.54 | 9 | 5 | 618 | .257 | 689 | 3.64 | 34.4 | 65.6 | 9.6 | 73-89 | 7 | Butch Hobson |
| 1993 | Boston | AL | MLB | 44 | bos | 37 | 10 | 34 | 34 | 229.1 | 3.26 | 1.07 | 7.69 | 1.22 | 1.92 | 5.10 | 0.38 | 0.51 | 23 | 3 | 852 | .230 | 919 | 3.39 | 32.9 | 67.1 | 7.4 | 80-82 | 5 | Butch Hobson |
| 1994 | Boston | AL | MLB | 44 | bos | 38 | - | 13 | 13 | 75.2 | 6.30 | 1.65 | 12.01 | 1.55 | 2.85 | 6.42 | 0.44 | 0.51 | 5 | 1 | 319 | .317 | 350 | 3.67 | 35.6 | 64.4 | 7.5 | 54-61 | 4 | Butch Hobson |
| 1995 | Oklahoma City | Amer | AAA | - | tex | 39 | - | 1 | 1 | 3.0 | 0.00 | 0.33 | 3.00 | -- | 0.00 | 12.00 | 0.00 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 54-89 | 8 | Greg Biagini |
| | Texas | AL | MLB | 44 | tex | 39 | 57 | 7 | 4 | 34.0 | 7.15 | 1.38 | 10.59 | 3.18 | 1.85 | 5.82 | 0.32 | 0.55 | 0 | 0 | 0 | -- | 0 | -- | 37.2 | 62.8 | 6.7 | 74-70 | 3 | Johnny Oates |
| | Toronto | AL | MLB | 44 | tor | 39 | 57 | 13 | 11 | 65.0 | 7.62 | 1.77 | 12.60 | 1.80 | 3.32 | 4.98 | 0.67 | 0.64 | 1 | 3 | 268 | .340 | 303 | 3.36 | 37.5 | 62.5 | 6.1 | 56-88 | 5 | Cito Gaston |
| 1996 | Pittsburgh | NL | MLB | 44 | pit | 40 | 24 | 19 | 19 | 122.1 | 3.02 | 1.09 | 8.61 | 0.66 | 1.18 | 5.08 | 0.23 | 0.85 | 13 | 6 | 462 | .253 | 493 | 3.03 | 30.5 | 69.5 | 9.3 | 73-89 | 5 | Jim Leyland |
| | Houston | NL | MLB | 43 | hou | 40 | 24 | 15 | 6 | 42.1 | 5.95 | 1.28 | 9.14 | 1.49 | 2.34 | 5.74 | 0.41 | 0.62 | 0 | 0 | 0 | -- | 0 | -- | 34.1 | 65.9 | 9.2 | 82-80 | 2 | Terry Collins |
| 1997 | SF Giants | NL | MLB | 43 | sf | 41 | - | 10 | 7 | 44.0 | 4.91 | 1.48 | 10.43 | 1.02 | 2.86 | 6.14 | 0.47 | 0.57 | 0 | 0 | 0 | -- | 0 | -- | 34.3 | 65.7 | 9.2 | 90-72 | 1 | Dusty Baker |
| | Chi White Sox | AL | MLB | 36,44 | chw | 41 | - | 21 | 17 | 113.1 | 4.13 | 1.42 | 10.32 | 1.67 | 2.46 | 4.92 | 0.50 | 0.78 | 12 | 1 | 455 | .286 | 496 | 3.11 | 33.7 | 66.3 | 8.2 | 80-81 | 2 | Terry Bevington |
| 1998 | SF Giants | NL | MLB | 43 | sf | 42 | - | 33 | 25 | 148.2 | 5.51 | 1.51 | 10.65 | 1.39 | 2.97 | 4.90 | 0.60 | 0.78 | 11 | 3 | 593 | .297 | 660 | 3.04 | 37.8 | 62.2 | 8.1 | 89-74 | 2 | Dusty Baker |
| Minor League Totals (5 years) | 76 | 76 | 479 | 1 | 1.48 | 8.70 | 0.26 | 4.60 | 7.52 | 0.61 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | .470 | -- | |
| AAA Totals (3 years) | 37 | 37 | 223 | 0 | 1.62 | 9.57 | 0.32 | 5.04 | 7.87 | 0.64 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | .457 | -- | |
| AA Totals (1 year) | 23 | 23 | 154 | 1 | 1.31 | 7.60 | 0.35 | 4.21 | 7.54 | 0.56 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | .516 | -- | |
| A Totals (1 year) | 16 | 16 | 102 | 0 | 1.41 | 8.47 | 0.00 | 4.24 | 6.71 | 0.63 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | |