| Year | Team | Lg | Level | Unif | Org | Age | Rk | G | GS | IP | ERA | WHIP | H9 | HR9 | BB9 | SO9 | BB/SO | GB/FB | QS | HB | AB | Bavg | TBF | Pit/B | Bal | Str | Sw | Record | TR | Manager(s) |
| 1980 | GCL Rangers | GCL | Rk | - | tex | 22 | 55 | 8 | 4 | 38.0 | 0.95 | 1.18 | 7.82 | -- | 2.84 | 8.05 | 0.35 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 35-28 | 4 | Andy Hancock |
| Asheville | SAL | A | - | tex | 22 | - | 5 | 5 | 23.0 | 7.83 | 1.96 | 9.78 | 1.96 | 7.83 | 7.43 | 1.05 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 69-71 | 3 | Tom Robson | |
| 1981 | Asheville | SAL | A | - | tex | 23 | 67 | 28 | 8 | 92.0 | 2.93 | 1.22 | 7.53 | 0.49 | 3.42 | 6.55 | 0.52 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 74-68 | 2 | Tom Robson |
| Tulsa | Tex | AA | - | tex | 23 | - | 15 | 0 | 32.0 | 3.94 | 1.41 | 8.72 | 0.56 | 3.94 | 10.41 | 0.38 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 36-30 | Tom Burgess | ||
| 1982 | Tulsa | Tex | AA | 29 | tex | 24 | 19 | 52 | 1 | 87.2 | 2.67 | 1.24 | 7.08 | 0.82 | 4.11 | 10.27 | 0.40 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 70-66 | 1 | Tom Burgess |
| Texas | AL | MLB | 35 | tex | 24 | - | 8 | 0 | 15.2 | 1.15 | 1.40 | 8.04 | -- | 4.60 | 5.17 | 0.89 | 1.57 | 0 | 1 | 57 | .246 | 67 | -- | -- | -- | -- | 64-98 | 6 | Don Zimmer, Darrell Johnson | |
| 1983 | Oklahoma City | Amer | AAA | - | tex | 25 | 24 | 47 | 0 | 77.2 | 3.01 | 1.34 | 8.23 | 0.23 | 3.82 | 10.43 | 0.37 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 66-69 | 2 | Tom Burgess |
| Texas | AL | MLB | 35 | tex | 25 | - | 8 | 0 | 16.0 | 3.38 | 1.25 | 9.00 | 0.56 | 2.25 | 9.56 | 0.24 | 0.56 | 0 | 0 | 61 | .262 | 65 | -- | -- | -- | -- | 77-85 | 3 | Doug Rader | |
| 1984 | Oklahoma City | Amer | AAA | - | tex | 26 | 29 | 39 | 0 | 64.2 | 2.64 | 1.30 | 8.21 | 0.14 | 3.48 | 9.05 | 0.38 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 70-84 | 7 | Tom Burgess, Rusty Gerhardt |
| Texas | AL | MLB | 35 | tex | 26 | - | 25 | 0 | 28.1 | 6.35 | 1.98 | 11.44 | -- | 6.35 | 7.94 | 0.80 | 0.84 | 0 | 1 | 115 | .313 | 141 | -- | -- | -- | -- | 69-92 | 7 | Doug Rader | |
| 1985 | Syracuse | IL | AAA | - | tor | 27 | 26 | 39 | 0 | 51.1 | 0.88 | 0.60 | 2.28 | 0.35 | 3.16 | 10.52 | 0.30 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 79-61 | 1 | Doug Ault |
| Toronto | AL | MLB | 50 | tor | 27 | 64 | 28 | 0 | 40.0 | 2.03 | 0.93 | 6.53 | 0.90 | 1.80 | 9.45 | 0.19 | 0.61 | 0 | 0 | 141 | .206 | 153 | -- | -- | -- | -- | 99-62 | 1 | Bobby Cox | |
| 1986 | Toronto | AL | MLB | 50 | tor | 28 | 32 | 63 | 0 | 91.1 | 3.35 | 1.04 | 6.21 | 0.59 | 3.15 | 11.63 | 0.27 | 0.40 | 0 | 1 | 329 | .191 | 370 | -- | -- | -- | -- | 86-76 | 4 | Jimy Williams |
| 1987 | Toronto | AL | MLB | 50 | tor | 29 | 23 | 72 | 0 | 94.0 | 2.49 | 0.93 | 5.94 | 0.96 | 2.39 | 12.26 | 0.20 | 0.60 | 0 | 0 | 330 | .188 | 363 | -- | -- | -- | -- | 96-66 | 2 | Jimy Williams |
| 1988 | Toronto | AL | MLB | 50 | tor | 30 | 47 | 52 | 0 | 68.0 | 2.91 | 1.24 | 7.94 | 0.79 | 3.18 | 8.74 | 0.36 | 0.62 | 0 | 2 | 253 | .237 | 285 | 4.04 | 35.2 | 64.8 | 17.0 | 87-75 | 3 | Jimy Williams |
| 1989 | Toronto | AL | MLB | 50 | tor | 31 | 40 | 64 | 0 | 89.0 | 1.92 | 1.02 | 6.67 | 0.51 | 2.53 | 11.73 | 0.22 | 0.69 | 0 | 2 | 322 | .205 | 356 | 3.89 | 33.5 | 66.5 | 19.4 | 89-73 | 1 | Cito Gaston, Jimy Williams |
| 1990 | Toronto | AL | MLB | 50 | tor | 32 | 38 | 61 | 0 | 74.2 | 2.17 | 1.03 | 6.99 | 0.96 | 2.29 | 9.04 | 0.25 | 0.64 | 0 | 1 | 272 | .213 | 297 | 3.74 | 33.8 | 66.2 | 15.8 | 86-76 | 2 | Cito Gaston |
| 1991 | Toronto | AL | MLB | 50 | tor | 33 | 48 | 49 | 0 | 50.1 | 2.32 | 0.87 | 5.90 | 0.72 | 1.97 | 9.48 | 0.21 | 0.64 | 0 | 0 | 179 | .184 | 190 | 3.74 | 35.9 | 64.1 | 18.2 | 91-71 | 1 | Cito Gaston, Gene Tenace |
| 1992 | Toronto | AL | MLB | 50 | tor | 34 | 39 | 57 | 0 | 55.2 | 2.26 | 1.11 | 6.47 | 0.81 | 3.56 | 7.44 | 0.48 | 0.48 | 0 | 0 | 203 | .197 | 228 | 3.69 | 38.4 | 61.6 | 13.6 | 96-66 | 1 | Cito Gaston |
| 1993 | Texas | AL | MLB | 50 | tex | 35 | 31 | 66 | 0 | 74.1 | 2.91 | 1.10 | 6.66 | 0.85 | 3.27 | 9.57 | 0.34 | 1.00 | 0 | 1 | 268 | .205 | 302 | 3.79 | 36.7 | 63.3 | 15.1 | 86-76 | 2 | Kevin Kennedy |
| 1994 | Texas | AL | MLB | 50 | tex | 36 | 49 | 37 | 0 | 38.0 | 3.79 | 1.18 | 7.82 | 1.42 | 2.84 | 9.24 | 0.31 | 0.98 | 0 | 0 | 142 | .232 | 156 | 3.68 | 38.0 | 62.0 | 12.4 | 52-62 | 1 | Kevin Kennedy |
| 1995 | St. Louis | NL | MLB | 50 | stl | 37 | 45 | 52 | 0 | 54.1 | 1.82 | 1.10 | 6.96 | 0.33 | 2.98 | 7.95 | 0.38 | 0.72 | 0 | 0 | 201 | .209 | 221 | 3.81 | 37.0 | 63.0 | 11.2 | 62-81 | 4 | Mike Jorgensen, Joe Torre |
| MLB Totals (14 years) | 642 | 0 | 789 | 3 | 1.09 | 6.92 | 0.73 | 2.91 | 9.82 | 0.30 | 0.66 | 0 | 9 | 2873 | .211 | 3194 | -- | 35.7 | 64.3 | 15.7 | .518 | -- | ||||||||
| Minor League Totals (6 years) | 233 | 18 | 467 | 0 | 1.23 | 7.28 | 0.48 | 3.80 | 9.10 | 0.42 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | .511 | -- | ||||||||
| AAA Totals (3 years) | 125 | 0 | 194 | 0 | 1.13 | 6.63 | 0.23 | 3.53 | 9.97 | 0.35 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | .501 | -- | ||||||||
| AA Totals (2 years) | 67 | 1 | 120 | 0 | 1.28 | 7.50 | 0.75 | 4.05 | 10.28 | 0.39 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | .525 | -- | ||||||||
| A Totals (2 years) | 33 | 13 | 115 | 0 | 1.37 | 7.98 | 0.78 | 4.30 | 6.73 | 0.64 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | .507 | -- | ||||||||
| Rookie Totals (1 year) | 8 | 4 | 38 | 0 | 1.18 | 7.82 | 0.00 | 2.84 | 8.05 | 0.35 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | .556 | -- | ||||||||