| year | team name | league | level | mlb | # | age | w | l | era | g | gs | cg | sho | gr | gf | sv | ip | h | r | er | hr | bb | so | wp | bk | hb | whip | h9 | hr9 | bb9 | so9 | ra9 | so/bb |
| 1977 | UCLA | Pac8 | NCAA-1 | So | 20 | 6 | 3 | 3.50 | 13 | 13 | 0 | 0 | 0 | 0 | 0 | 64.1 | 66 | 33 | 25 | 0 | 29 | 47 | 0 | 0 | 0 | 1.48 | 9.23 | 0.00 | 4.06 | 6.58 | 4.62 | 1.62 | |
| 1978 | UCLA | Pac8 | NCAA-1 | Jr | 21 | 0 | 0 | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | |
| 1979 | Gulf Coast Rangers | GCL | Rk | TEX | - | 22 | 2 | 2 | 4.20 | 7 | 6 | 0 | 0 | 1 | 0 | 0 | 30.0 | 30 | 19 | 14 | 1 | 8 | 27 | 4 | 0 | 0 | 1.27 | 9.00 | 0.30 | 2.40 | 8.10 | 5.70 | 3.38 |
| 1980 | Asheville Tourists | SAL | A | TEX | - | 23 | 8 | 1 | 1.98 | 12 | 11 | 5 | 1 | 1 | 0 | 0 | 91.0 | 76 | 32 | 20 | 5 | 13 | 47 | 3 | 0 | 3 | 0.98 | 7.52 | 0.49 | 1.29 | 4.65 | 3.16 | 3.62 |
| 1980 | Tulsa Drillers | Tex | AA | TEX | - | 23 | 4 | 6 | 4.44 | 12 | 12 | 1 | 0 | 0 | 0 | 0 | 73.0 | 90 | 42 | 36 | 5 | 28 | 46 | 7 | 0 | 0 | 1.62 | 11.10 | 0.62 | 3.45 | 5.67 | 5.18 | 1.64 |
| 1981 | Tulsa Drillers | Tex | AA | TEX | - | 24 | 1 | 1 | 1.88 | 3 | 3 | 2 | 0 | 0 | 0 | 0 | 24.0 | 17 | 5 | 5 | 1 | 6 | 17 | 1 | 0 | 0 | 0.96 | 6.38 | 0.38 | 2.25 | 6.38 | 1.88 | 2.83 |
| 1981 | Wichita Aeros | Amer | AAA | TEX | - | 24 | 2 | 5 | 4.86 | 12 | 12 | 4 | 0 | 0 | 0 | 0 | 87.0 | 90 | 47 | 47 | 9 | 26 | 49 | 2 | 0 | 0 | 1.33 | 9.31 | 0.93 | 2.69 | 5.07 | 4.86 | 1.88 |
| 1981 | Texas Rangers | AL | MLB | TEX | 24 | 24 | 0 | 1 | 3.13 | 14 | 1 | 0 | 0 | 13 | 8 | 1 | 31.2 | 31 | 11 | 11 | 1 | 11 | 13 | 3 | 1 | 1 | 1.33 | 8.81 | 0.28 | 3.13 | 3.69 | 3.13 | 1.18 |
| 1982 | Texas Rangers | AL | MLB | TEX | 24 | 25 | 4 | 6 | 3.20 | 33 | 8 | 0 | 0 | 25 | 14 | 6 | 109.2 | 118 | 45 | 39 | 5 | 25 | 69 | 2 | 0 | 5 | 1.30 | 9.68 | 0.41 | 2.05 | 5.66 | 3.69 | 2.76 |
| 1983 | Texas Rangers | AL | MLB | TEX | 24 | 26 | 3 | 3 | 3.88 | 31 | 0 | 0 | 0 | 31 | 20 | 2 | 46.1 | 42 | 20 | 20 | 3 | 14 | 29 | 2 | 0 | 1 | 1.21 | 8.16 | 0.58 | 2.72 | 5.63 | 3.88 | 2.07 |
| 1984 | Texas Rangers | AL | MLB | TEX | 24 | 27 | 6 | 6 | 2.56 | 43 | 0 | 0 | 0 | 43 | 37 | 12 | 70.1 | 69 | 30 | 20 | 3 | 20 | 46 | 4 | 0 | 0 | 1.27 | 8.83 | 0.38 | 2.56 | 5.89 | 3.84 | 2.30 |
| 1985 | Texas Rangers | AL | MLB | TEX | 24 | 28 | 7 | 6 | 3.15 | 51 | 4 | 1 | 1 | 47 | 35 | 5 | 85.2 | 81 | 36 | 30 | 6 | 22 | 46 | 2 | 1 | 0 | 1.20 | 8.51 | 0.63 | 2.31 | 4.83 | 3.78 | 2.09 |
| 1986 | Chicago White Sox | AL | MLB | CHA | 24 | 29 | 3 | 6 | 3.31 | 49 | 1 | 0 | 0 | 48 | 21 | 8 | 92.1 | 94 | 37 | 34 | 10 | 27 | 67 | 5 | 0 | 5 | 1.31 | 9.16 | 0.97 | 2.63 | 6.53 | 3.61 | 2.48 |
| 1987 | Baltimore Orioles | AL | MLB | BAL | 24 | 30 | 10 | 5 | 3.77 | 35 | 14 | 2 | 2 | 21 | 7 | 1 | 124.0 | 128 | 57 | 52 | 13 | 26 | 70 | 2 | 0 | 1 | 1.24 | 9.29 | 0.94 | 1.89 | 5.08 | 4.14 | 2.69 |
| 1988 | Baltimore Orioles | AL | MLB | BAL | 24 | 31 | 8 | 5 | 3.40 | 41 | 9 | 0 | 0 | 32 | 11 | 2 | 129.2 | 129 | 58 | 49 | 14 | 38 | 67 | 3 | 0 | 3 | 1.29 | 8.95 | 0.97 | 2.64 | 4.65 | 4.03 | 1.76 |
| 1989 | Baltimore Orioles | AL | MLB | BAL | 24 | 32 | 10 | 13 | 5.69 | 38 | 26 | 2 | 0 | 12 | 5 | 0 | 156.2 | 196 | 102 | 99 | 24 | 36 | 46 | 3 | 1 | 2 | 1.48 | 11.26 | 1.38 | 2.07 | 2.64 | 5.86 | 1.28 |
| 1990 | Jacksonville Expos | Sou | AA | MON | - | 33 | 0 | 1 | 4.50 | 3 | 2 | 0 | 0 | 1 | 0 | 0 | 6.0 | 4 | 3 | 3 | 1 | 0 | 4 | 0 | 0 | 1 | 0.67 | 6.00 | 1.50 | 0.00 | 6.00 | 4.50 | 0.00 |
| 1990 | Montreal Expos | NL | MLB | MON | 24,28 | 33 | 3 | 3 | 4.31 | 34 | 0 | 0 | 0 | 34 | 20 | 13 | 48.0 | 58 | 26 | 23 | 3 | 13 | 22 | 1 | 0 | 0 | 1.48 | 10.88 | 0.56 | 2.44 | 4.13 | 4.88 | 1.69 |
| 1991 | West Palm Beach Expos | FSL | A+ | MON | - | 34 | 1 | 1 | 3.21 | 9 | 4 | 0 | 0 | 5 | 2 | 1 | 14.0 | 12 | 9 | 5 | 0 | 0 | 11 | 1 | 0 | 1 | 0.86 | 7.71 | 0.00 | 0.00 | 7.07 | 5.79 | 0.00 |
| 1991 | Indianapolis Indians | Amer | AAA | MON | - | 34 | 0 | 1 | 3.92 | 13 | 4 | 0 | 0 | 9 | 1 | 0 | 20.2 | 19 | 13 | 9 | 2 | 8 | 9 | 0 | 2 | 0 | 1.31 | 8.27 | 0.87 | 3.48 | 3.92 | 5.66 | 1.13 |
| 1991 | Oklahoma City 89ers | Amer | AAA | TEX | - | 34 | 0 | 2 | 1.65 | 11 | 0 | 0 | 0 | 11 | 6 | 1 | 16.1 | 20 | 4 | 3 | 1 | 9 | 10 | 0 | 0 | 0 | 1.78 | 11.02 | 0.55 | 4.96 | 5.51 | 2.20 | 1.11 |
| 1991 | Montreal Expos | NL | MLB | MON | 26 | 34 | 0 | 1 | 10.38 | 4 | 0 | 0 | 0 | 4 | 1 | 0 | 4.1 | 9 | 5 | 5 | 2 | 2 | 3 | 0 | 0 | 0 | 2.54 | 18.69 | 4.15 | 4.15 | 6.23 | 10.38 | 1.50 |
| 1992 | Calgary Cannons | PCL | AAA | SEA | - | 35 | 3 | 1 | 1.59 | 13 | 0 | 0 | 0 | 13 | 12 | 4 | 17.0 | 10 | 3 | 3 | 0 | 8 | 10 | 0 | 0 | 0 | 1.06 | 5.29 | 0.00 | 4.24 | 5.29 | 1.59 | 1.25 |
| 1992 | Tacoma Tigers | PCL | AAA | OAK | - | 35 | 2 | 3 | 5.33 | 14 | 8 | 0 | 0 | 6 | 2 | 0 | 52.1 | 65 | 32 | 31 | 5 | 12 | 33 | 3 | 0 | 0 | 1.47 | 11.18 | 0.86 | 2.06 | 5.68 | 5.50 | 2.75 |
| 1992 | Seattle Mariners | AL | MLB | SEA | 20 | 35 | 0 | 0 | 18.90 | 3 | 0 | 0 | 0 | 3 | 0 | 0 | 3.1 | 7 | 7 | 7 | 1 | 3 | 1 | 0 | 0 | 0 | 3.00 | 18.90 | 2.70 | 8.10 | 2.70 | 18.90 | 0.33 |
| Tot: | MLB (12 yrs) | MLB | 54 | 55 | 3.88 | 376 | 63 | 5 | 3 | 179 | 313 | 50 | 902.0 | 962 | 434 | 389 | 85 | 237 | 479 | 27 | 3 | 18 | 1.33 | 9.60 | 0.85 | 2.36 | 4.78 | 4.33 | 2.02 | ||||
| Tot: | AL (10 yrs) | AL | 51 | 51 | 3.82 | 338 | 63 | 5 | 3 | 158 | 275 | 37 | 849.2 | 895 | 403 | 361 | 80 | 222 | 454 | 26 | 3 | 18 | 1.31 | 9.48 | 0.85 | 2.35 | 4.81 | 4.27 | 2.05 | ||||
| Tot: | NL (2 yrs) | NL | 3 | 4 | 4.82 | 38 | 0 | 0 | 0 | 21 | 38 | 13 | 52.1 | 67 | 31 | 28 | 5 | 15 | 25 | 1 | 0 | 0 | 1.57 | 11.52 | 0.86 | 2.58 | 4.30 | 5.33 | 1.67 | ||||
| Tot: | Minors (6 yrs) | Minors | 23 | 24 | 3.67 | 109 | 62 | 12 | 1 | 23 | 47 | 6 | 431.1 | 433 | 209 | 176 | 30 | 118 | 263 | 21 | 2 | 5 | 1.28 | 9.03 | 0.63 | 2.46 | 5.49 | 4.36 | 2.23 | ||||
| Tot: | Rk (1 yrs) | Rk | 2 | 2 | 4.20 | 7 | 6 | 0 | 0 | 0 | 1 | 0 | 30.0 | 30 | 19 | 14 | 1 | 8 | 27 | 4 | 0 | 0 | 1.27 | 9.00 | 0.30 | 2.40 | 8.10 | 5.70 | 3.38 | ||||
| Tot: | A (1 yrs) | A | 8 | 1 | 1.98 | 12 | 11 | 5 | 1 | 0 | 1 | 0 | 91.0 | 76 | 32 | 20 | 5 | 13 | 47 | 3 | 0 | 3 | 0.98 | 7.52 | 0.49 | 1.29 | 4.65 | 3.16 | 3.62 | ||||
| Tot: | A+ (1 yrs) | A+ | 1 | 1 | 3.21 | 9 | 4 | 0 | 0 | 2 | 5 | 1 | 14.0 | 12 | 9 | 5 | 0 | 0 | 11 | 1 | 0 | 1 | 0.86 | 7.71 | 0.00 | 0.00 | 7.07 | 5.79 | |||||
| Tot: | AA (3 yrs) | AA | 5 | 8 | 3.84 | 18 | 17 | 3 | 0 | 0 | 1 | 0 | 103.0 | 111 | 50 | 44 | 7 | 34 | 67 | 8 | 0 | 1 | 1.41 | 9.70 | 0.61 | 2.97 | 5.85 | 4.37 | 1.97 | ||||
| Tot: | AAA (3 yrs) | AAA | 7 | 12 | 4.33 | 63 | 24 | 4 | 0 | 21 | 39 | 5 | 193.1 | 204 | 99 | 93 | 17 | 63 | 111 | 5 | 2 | 0 | 1.38 | 9.50 | 0.79 | 2.93 | 5.17 | 4.61 | 1.76 | ||||
| Tot: | College (2 yrs) | College | 6 | 3 | 3.50 | 13 | 13 | 0 | 0 | 0 | 0 | 0 | 64.1 | 66 | 33 | 25 | 0 | 29 | 47 | 0 | 0 | 0 | 1.48 | 9.23 | 0.00 | 4.06 | 6.58 | 4.62 | 1.62 | ||||
| Avg: | MLB - 162 Inning avg | MLB | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||
| Avg: | Minors - 162 Inning avg | College | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||
| Avg: | College - 162 Inning avg | College | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| year | team name | league | level | mlb | # | age | pos | tbc+ | g | ab | r | h | 2b | 3b | hr | rbi | sb | cs | bb | so | hbp | sh | sf | ibb | gdp | tb | pa | xbh | 1b | avg | obp | slg | ops | seca | iso | babip | bb% | so% | so/bb | ab/hr |
| 1981 | Wichita Aeros | Amer | AAA | TEX | - | 24 | P | 12 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 100.00 | 0.00 | 0.00 | |
| 1990 | Montreal Expos | NL | MLB | MON | 24,28 | 33 | P | 34 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 0.00 | 0.00 | 0.00 | |
| 1991 | Indianapolis Indians | Amer | AAA | MON | - | 34 | P | 24 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1.000 | 1.000 | 1.000 | 2.000 | .000 | .000 | 1.000 | 0.00 | 0.00 | 0.00 | 0.00 | |
| Tot: | MLB (1 yrs) | MLB | 34 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 0.00 | ||||||||
| Tot: | NL (1 yrs) | NL | 34 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 0.00 | ||||||||
| Tot: | Minors (2 yrs) | Minors | 36 | 4 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 0 | 1 | .250 | .250 | .250 | .500 | .000 | .000 | 1.000 | 0.00 | 75.00 | ||||||||
| Tot: | AAA (2 yrs) | AAA | 36 | 4 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 0 | 1 | .250 | .250 | .250 | .500 | .000 | .000 | 1.000 | 0.00 | 75.00 | ||||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||||
| Avg: | Minors - 162 game avg | College | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 42 | 80 | 41 | 69 | 41 | 60 | .470 |