| 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 |
| 1976 | Wichita Aeros | Amer | AAA | CHN | - | 23 | 8 | 14 | 4.06 | 30 | 25 | 6 | 0 | 5 | 0 | 1 | 153.0 | 182 | 94 | 69 | 15 | 52 | 98 | 7 | 0 | 0 | 1.53 | 10.71 | 0.88 | 3.06 | 5.76 | 5.53 | 1.88 |
| 1976 | Wichita Aeros | Amer | AAA | CHN | - | 23 | 8 | 14 | 4.06 | 30 | 25 | 6 | 0 | 5 | 0 | 1 | 153.0 | 182 | 94 | 69 | 0 | 52 | 98 | 0 | 0 | 0 | 1.53 | 10.71 | 0.00 | 3.06 | 5.76 | 5.53 | 1.88 |
| 1977 | Wichita Aeros | Amer | AAA | CHN | - | 24 | 11 | 4 | 2.93 | 20 | 17 | 6 | 2 | 3 | 0 | 0 | 129.0 | 116 | 54 | 42 | 8 | 23 | 52 | 0 | 1 | 0 | 1.08 | 8.09 | 0.56 | 1.60 | 3.63 | 3.77 | 2.26 |
| 1977 | Chicago Cubs | NL | MLB | CHN | 47 | 24 | 0 | 2 | 6.30 | 11 | 3 | 0 | 0 | 8 | 4 | 0 | 30.0 | 43 | 21 | 21 | 3 | 8 | 12 | 0 | 1 | 2 | 1.70 | 12.90 | 0.90 | 2.40 | 3.60 | 6.30 | 1.50 |
| 1978 | Chicago Cubs | NL | MLB | CHN | 47 | 25 | 7 | 15 | 3.30 | 37 | 36 | 6 | 3 | 1 | 0 | 0 | 223.2 | 221 | 96 | 82 | 16 | 56 | 73 | 2 | 2 | 4 | 1.24 | 8.89 | 0.64 | 2.25 | 2.94 | 3.86 | 1.30 |
| 1979 | Chicago Cubs | NL | MLB | CHN | 47 | 26 | 11 | 10 | 3.50 | 38 | 32 | 6 | 1 | 6 | 3 | 0 | 200.1 | 223 | 96 | 78 | 14 | 46 | 86 | 1 | 0 | 5 | 1.34 | 10.02 | 0.63 | 2.07 | 3.86 | 4.31 | 1.87 |
| 1980 | Chicago Cubs | NL | MLB | CHN | 47 | 27 | 10 | 14 | 5.20 | 41 | 37 | 2 | 1 | 4 | 3 | 0 | 202.2 | 259 | 123 | 117 | 16 | 82 | 83 | 10 | 0 | 1 | 1.68 | 11.50 | 0.71 | 3.64 | 3.69 | 5.46 | 1.01 |
| 1981 | Chicago White Sox | AL | MLB | CHA | 53 | 28 | 7 | 6 | 2.41 | 27 | 10 | 3 | 0 | 17 | 5 | 0 | 127.0 | 103 | 41 | 34 | 4 | 43 | 71 | 4 | 1 | 1 | 1.15 | 7.30 | 0.28 | 3.05 | 5.03 | 2.91 | 1.65 |
| 1982 | Chicago White Sox | AL | MLB | CHA | 53 | 29 | 11 | 8 | 3.99 | 44 | 27 | 3 | 2 | 17 | 11 | 5 | 189.2 | 206 | 96 | 84 | 9 | 59 | 78 | 5 | 0 | 6 | 1.40 | 9.78 | 0.43 | 2.80 | 3.70 | 4.56 | 1.32 |
| 1983 | Chicago White Sox | AL | MLB | CHA | 53 | 30 | 7 | 7 | 3.71 | 49 | 5 | 1 | 0 | 44 | 31 | 15 | 116.1 | 123 | 52 | 48 | 6 | 29 | 44 | 0 | 0 | 4 | 1.31 | 9.52 | 0.46 | 2.24 | 3.40 | 4.02 | 1.52 |
| 1984 | Toronto Blue Jays | AL | MLB | TOR | 53 | 31 | 8 | 8 | 4.55 | 56 | 4 | 0 | 0 | 52 | 37 | 9 | 85.0 | 97 | 53 | 43 | 9 | 38 | 45 | 2 | 0 | 1 | 1.59 | 10.27 | 0.95 | 4.02 | 4.76 | 5.61 | 1.18 |
| 1985 | Toronto Blue Jays | AL | MLB | TOR | 53 | 32 | 11 | 0 | 3.32 | 53 | 1 | 0 | 0 | 52 | 11 | 2 | 105.2 | 96 | 42 | 39 | 7 | 27 | 68 | 5 | 0 | 0 | 1.16 | 8.18 | 0.60 | 2.30 | 5.79 | 3.58 | 2.52 |
| 1986 | Toronto Blue Jays | AL | MLB | TOR | 53 | 33 | 2 | 6 | 5.05 | 40 | 2 | 0 | 0 | 38 | 11 | 2 | 73.0 | 93 | 50 | 41 | 5 | 23 | 30 | 2 | 0 | 0 | 1.59 | 11.47 | 0.62 | 2.84 | 3.70 | 6.16 | 1.30 |
| 1987 | Tacoma Tigers | PCL | AAA | OAK | - | 34 | 1 | 0 | 2.92 | 6 | 0 | 0 | 0 | 6 | 0 | 0 | 12.1 | 9 | 4 | 4 | 0 | 8 | 10 | 0 | 0 | 1 | 1.38 | 6.57 | 0.00 | 5.84 | 7.30 | 2.92 | 1.25 |
| 1987 | Oakland Athletics | AL | MLB | OAK | 49 | 34 | 1 | 3 | 5.08 | 36 | 5 | 0 | 0 | 31 | 10 | 0 | 56.2 | 76 | 38 | 32 | 5 | 22 | 36 | 4 | 0 | 1 | 1.73 | 12.07 | 0.79 | 3.49 | 5.72 | 6.04 | 1.64 |
| 1988 | Boston Red Sox | AL | MLB | BOS | 15 | 35 | 7 | 6 | 3.48 | 46 | 0 | 0 | 0 | 46 | 14 | 0 | 82.2 | 92 | 39 | 32 | 3 | 19 | 49 | 5 | 8 | 2 | 1.34 | 10.02 | 0.33 | 2.07 | 5.33 | 4.25 | 2.58 |
| 1989 | Boston Red Sox | AL | MLB | BOS | 15 | 36 | 4 | 2 | 2.32 | 42 | 0 | 0 | 0 | 42 | 14 | 2 | 112.1 | 96 | 37 | 29 | 4 | 27 | 61 | 1 | 1 | 0 | 1.09 | 7.69 | 0.32 | 2.16 | 4.89 | 2.96 | 2.26 |
| 1990 | Boston Red Sox | AL | MLB | BOS | 15 | 37 | 3 | 5 | 4.68 | 47 | 1 | 0 | 0 | 46 | 5 | 0 | 105.2 | 114 | 61 | 55 | 10 | 30 | 49 | 2 | 0 | 3 | 1.36 | 9.71 | 0.85 | 2.56 | 4.17 | 5.20 | 1.63 |
| 1991 | Boston Red Sox | AL | MLB | BOS | 15 | 38 | 6 | 3 | 4.70 | 51 | 0 | 0 | 0 | 51 | 12 | 0 | 92.0 | 100 | 54 | 48 | 8 | 31 | 57 | 1 | 0 | 3 | 1.42 | 9.78 | 0.78 | 3.03 | 5.58 | 5.28 | 1.84 |
| 1992 | Buffalo Bisons | Amer | AAA | PIT | - | 39 | 0 | 0 | 6.75 | 3 | 0 | 0 | 0 | 3 | 1 | 1 | 5.1 | 6 | 5 | 4 | 1 | 0 | 3 | 0 | 0 | 0 | 1.13 | 10.13 | 1.69 | 0.00 | 5.06 | 8.44 | 0.00 |
| 1992 | Pittsburgh Pirates | NL | MLB | PIT | 26 | 39 | 1 | 1 | 5.14 | 21 | 0 | 0 | 0 | 21 | 2 | 0 | 28.0 | 33 | 16 | 16 | 3 | 9 | 15 | 0 | 1 | 2 | 1.50 | 10.61 | 0.96 | 2.89 | 4.82 | 5.14 | 1.67 |
| Tot: | MLB (16 yrs) | MLB | 96 | 96 | 3.93 | 639 | 163 | 21 | 7 | 173 | 476 | 35 | 1830.2 | 1975 | 915 | 799 | 122 | 549 | 857 | 44 | 14 | 35 | 1.38 | 9.71 | 0.60 | 2.70 | 4.21 | 4.50 | 1.56 | ||||
| Tot: | NL (5 yrs) | NL | 29 | 42 | 4.13 | 148 | 108 | 14 | 5 | 12 | 40 | 0 | 684.2 | 779 | 352 | 314 | 52 | 201 | 269 | 13 | 4 | 14 | 1.43 | 10.24 | 0.68 | 2.64 | 3.54 | 4.63 | 1.34 | ||||
| Tot: | AL (11 yrs) | AL | 67 | 54 | 3.81 | 491 | 55 | 7 | 2 | 161 | 436 | 35 | 1146.0 | 1196 | 563 | 485 | 70 | 348 | 588 | 31 | 10 | 21 | 1.35 | 9.39 | 0.55 | 2.73 | 4.62 | 4.42 | 1.69 | ||||
| Tot: | Minors (4 yrs) | Minors | 28 | 32 | 3.74 | 89 | 67 | 18 | 2 | 1 | 22 | 3 | 452.2 | 495 | 251 | 188 | 24 | 135 | 261 | 7 | 1 | 1 | 1.39 | 9.84 | 0.48 | 2.68 | 5.19 | 4.99 | 1.93 | ||||
| Tot: | AAA (4 yrs) | AAA | 28 | 32 | 3.74 | 89 | 67 | 18 | 2 | 1 | 22 | 3 | 452.2 | 495 | 251 | 188 | 24 | 135 | 261 | 7 | 1 | 1 | 1.39 | 9.84 | 0.48 | 2.68 | 5.19 | 4.99 | 1.93 | ||||
| Avg: | MLB - 162 Inning avg | MLB | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||
| Avg: | Minors - 162 Inning avg | College | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| year | team name | league | category | 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 |
| 1983 | Chicago White Sox | Championship Series | Playoffs | 30 | 0 | 0 | 0.00 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 2.0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 1.00 | 0.00 | 0.00 | 9.00 | 4.50 | 0.00 | 0.50 |
| 1985 | Toronto Blue Jays | Championship Series | Playoffs | 32 | 0 | 0 | 0.00 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 9.1 | 2 | 0 | 0 | 0 | 1 | 10 | 0 | 0 | 0 | 0.32 | 1.93 | 0.00 | 0.96 | 9.64 | 0.00 | 10.00 |
| 1990 | Boston Red Sox | Championship Series | Playoffs | 37 | 0 | 0 | 108.00 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 2 | 0 | 4 | 0 | 2 | 0 | 0 | 0 | 0 | 12.00 | 54.00 | 0.00 | 54.00 | 0.00 | 0.00 | 0.00 |
| Tot: | Playoffs (3 Yrs) | Playoffs | 0 | 0 | 3.09 | 7 | 0 | 0 | 0 | 0 | 7 | 0 | 11.2 | 4 | 0 | 4 | 0 | 5 | 11 | 0 | 0 | 0 | 0.77 | 3.09 | 0.00 | 3.86 | 8.49 | 0.00 | 2.20 |
| 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 |
| 1976 | Wichita Aeros | Amer | AAA | CHN | - | 23 | P | 30 | 47 | 6 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 17 | 0 | 2 | 0 | 0 | 0 | 9 | 52 | 0 | 9 | .191 | .240 | .191 | .431 | .064 | .000 | .300 | 5.77 | 32.69 | 5.67 | 0.00 | |
| 1977 | Wichita Aeros | Amer | AAA | CHN | - | 24 | P | 20 | 42 | 8 | 9 | 1 | 0 | 0 | 1 | 0 | 0 | 7 | 10 | 0 | 5 | 0 | 0 | 0 | 10 | 54 | 1 | 8 | .214 | .327 | .238 | .565 | .190 | .024 | .281 | 12.96 | 18.52 | 1.43 | 0.00 | |
| 1977 | Chicago Cubs | NL | MLB | CHN | 47 | 24 | P | 11 | 8 | 0 | 3 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 3 | 8 | 0 | 3 | .375 | .375 | .375 | .750 | .000 | .000 | .500 | 0.00 | 25.00 | 0.00 | 0.00 | |
| 1978 | Chicago Cubs | NL | MLB | CHN | 47 | 25 | P | 37 | 73 | 1 | 15 | 2 | 0 | 0 | 3 | 0 | 0 | 0 | 17 | 0 | 3 | 0 | 0 | 1 | 17 | 76 | 2 | 13 | .205 | .205 | .233 | .438 | .027 | .028 | .268 | 0.00 | 22.37 | 0.00 | 0.00 | |
| 1979 | Chicago Cubs | NL | MLB | CHN | 47 | 26 | P | 38 | 58 | 2 | 9 | 1 | 0 | 0 | 1 | 0 | 0 | 2 | 9 | 0 | 7 | 0 | 0 | 0 | 10 | 67 | 1 | 8 | .155 | .183 | .172 | .355 | .052 | .017 | .184 | 2.99 | 13.43 | 4.50 | 0.00 | |
| 1980 | Chicago Cubs | NL | MLB | CHN | 47 | 27 | P | 41 | 61 | 3 | 6 | 0 | 0 | 0 | 1 | 0 | 0 | 4 | 9 | 0 | 7 | 0 | 0 | 4 | 6 | 72 | 0 | 6 | .098 | .154 | .098 | .252 | .066 | .000 | .115 | 5.56 | 12.50 | 2.25 | 0.00 | |
| 1992 | Pittsburgh Pirates | NL | MLB | PIT | 26 | 39 | P | 21 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 0.00 | 0.00 | 0.00 | |
| Tot: | MLB (5 yrs) | MLB | 148 | 201 | 6 | 33 | 3 | 0 | 0 | 7 | 0 | 0 | 6 | 37 | 0 | 17 | 0 | 0 | 5 | 36 | 224 | 3 | 30 | .164 | .188 | .179 | .368 | .045 | .015 | .201 | 2.68 | 16.52 | 6.17 | |||||||
| Tot: | NL (5 yrs) | NL | 148 | 201 | 6 | 33 | 3 | 0 | 0 | 7 | 0 | 0 | 6 | 37 | 0 | 17 | 0 | 0 | 5 | 36 | 224 | 3 | 30 | .164 | .188 | .179 | .368 | .045 | .015 | .201 | 2.68 | 16.52 | 6.17 | |||||||
| Tot: | Minors (2 yrs) | Minors | 50 | 89 | 14 | 18 | 1 | 0 | 0 | 1 | 0 | 0 | 10 | 27 | 0 | 7 | 0 | 0 | 0 | 19 | 106 | 1 | 17 | .202 | .283 | .213 | .496 | .124 | .011 | .290 | 9.43 | 25.47 | 2.70 | |||||||
| Tot: | AAA (2 yrs) | AAA | 50 | 89 | 14 | 18 | 1 | 0 | 0 | 1 | 0 | 0 | 10 | 27 | 0 | 7 | 0 | 0 | 0 | 19 | 106 | 1 | 17 | .202 | .283 | .213 | .496 | .124 | .011 | .290 | 9.43 | 25.47 | 2.70 | |||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||||
| Avg: | Minors - 162 game avg | College | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 32 | 73 | 33 | 57 | 33 | 75 | .531 |