| 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 | Charlotte O's | Sou | AA | BAL | - | 22 | 9 | 6 | 2.08 | 16 | 16 | 10 | 3 | 0 | 0 | 0 | 117.0 | 93 | 32 | 27 | 6 | 45 | 56 | 0 | 0 | 0 | 1.18 | 7.15 | 0.46 | 3.46 | 4.31 | 2.46 | 1.24 |
| 1977 | Rochester Red Wings | IL | AAA | BAL | - | 22 | 0 | 5 | 6.33 | 10 | 10 | 0 | 0 | 0 | 0 | 0 | 54.0 | 68 | 41 | 38 | 1 | 35 | 28 | 1 | 1 | 0 | 1.91 | 11.33 | 0.17 | 5.83 | 4.67 | 6.83 | 0.80 |
| 1978 | Rochester Red Wings | IL | AAA | BAL | - | 23 | 13 | 10 | 3.80 | 27 | 27 | 6 | 1 | 0 | 0 | 0 | 173.0 | 168 | 90 | 73 | 11 | 93 | 111 | 8 | 0 | 2 | 1.51 | 8.74 | 0.57 | 4.84 | 5.77 | 4.68 | 1.19 |
| 1978 | Baltimore Orioles | AL | MLB | BAL | 53 | 23 | 1 | 1 | 3.18 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 11.1 | 10 | 5 | 4 | 0 | 3 | 11 | 1 | 0 | 0 | 1.15 | 7.94 | 0.00 | 2.38 | 8.74 | 3.97 | 3.67 |
| 1979 | Baltimore Orioles | AL | MLB | BAL | 53 | 24 | 8 | 5 | 3.52 | 31 | 3 | 1 | 0 | 28 | 10 | 1 | 117.2 | 96 | 47 | 46 | 11 | 71 | 71 | 5 | 1 | 5 | 1.42 | 7.34 | 0.84 | 5.43 | 5.43 | 3.59 | 1.00 |
| 1980 | Baltimore Orioles | AL | MLB | BAL | 53 | 25 | 7 | 7 | 3.56 | 33 | 3 | 2 | 0 | 30 | 20 | 3 | 118.2 | 103 | 51 | 47 | 9 | 60 | 78 | 5 | 0 | 2 | 1.37 | 7.81 | 0.68 | 4.55 | 5.92 | 3.87 | 1.30 |
| 1981 | Baltimore Orioles | AL | MLB | BAL | 53 | 26 | 4 | 8 | 2.32 | 29 | 3 | 0 | 0 | 26 | 18 | 4 | 112.1 | 89 | 33 | 29 | 8 | 57 | 57 | 1 | 2 | 3 | 1.30 | 7.13 | 0.64 | 4.57 | 4.57 | 2.64 | 1.00 |
| 1982 | Hagerstown Suns | Caro | A+ | BAL | - | 27 | 0 | 0 | 2.25 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 8.0 | 8 | 2 | 2 | 0 | 1 | 6 | 0 | 0 | 0 | 1.13 | 9.00 | 0.00 | 1.13 | 6.75 | 2.25 | 6.00 |
| 1982 | Baltimore Orioles | AL | MLB | BAL | 53 | 27 | 10 | 9 | 4.14 | 38 | 12 | 1 | 1 | 26 | 16 | 5 | 139.0 | 140 | 68 | 64 | 9 | 62 | 69 | 3 | 1 | 2 | 1.45 | 9.06 | 0.58 | 4.01 | 4.47 | 4.40 | 1.11 |
| 1983 | Baltimore Orioles | AL | MLB | BAL | 53 | 28 | 9 | 4 | 3.62 | 58 | 1 | 0 | 0 | 57 | 21 | 7 | 144.1 | 138 | 60 | 58 | 7 | 67 | 95 | 9 | 0 | 1 | 1.42 | 8.61 | 0.44 | 4.18 | 5.92 | 3.74 | 1.42 |
| 1984 | Baltimore Orioles | AL | MLB | BAL | 53 | 29 | 7 | 4 | 3.29 | 60 | 0 | 0 | 0 | 60 | 39 | 13 | 93.0 | 81 | 42 | 34 | 7 | 47 | 56 | 5 | 1 | 1 | 1.38 | 7.84 | 0.68 | 4.55 | 5.42 | 4.06 | 1.19 |
| 1985 | Baltimore Orioles | AL | MLB | BAL | 53 | 30 | 5 | 7 | 3.61 | 56 | 1 | 0 | 0 | 55 | 36 | 9 | 129.2 | 117 | 60 | 52 | 15 | 66 | 77 | 5 | 1 | 1 | 1.41 | 8.12 | 1.04 | 4.58 | 5.34 | 4.16 | 1.17 |
| 1986 | Boston Red Sox | AL | MLB | BOS | 37 | 31 | 4 | 1 | 4.38 | 27 | 0 | 0 | 0 | 27 | 5 | 0 | 63.2 | 64 | 33 | 31 | 7 | 48 | 47 | 5 | 1 | 0 | 1.76 | 9.05 | 0.99 | 6.79 | 6.64 | 4.66 | 0.98 |
| 1987 | Buffalo Bisons | Amer | AAA | CLE | - | 32 | 0 | 1 | 9.26 | 6 | 0 | 0 | 0 | 6 | 3 | 2 | 11.2 | 18 | 13 | 12 | 2 | 6 | 8 | 1 | 0 | 0 | 2.06 | 13.89 | 1.54 | 4.63 | 6.17 | 10.03 | 1.33 |
| 1987 | Cleveland Indians | AL | MLB | CLE | 53 | 32 | 4 | 2 | 5.67 | 25 | 0 | 0 | 0 | 25 | 16 | 3 | 27.0 | 25 | 22 | 17 | 4 | 21 | 25 | 2 | 0 | 1 | 1.70 | 8.33 | 1.33 | 7.00 | 8.33 | 7.33 | 1.19 |
| Tot: | MLB (10 yrs) | MLB | 59 | 48 | 3.59 | 359 | 25 | 4 | 1 | 181 | 334 | 45 | 956.2 | 863 | 421 | 382 | 77 | 502 | 586 | 41 | 7 | 16 | 1.43 | 8.12 | 0.72 | 4.72 | 5.51 | 3.96 | 1.17 | ||||
| Tot: | AL (10 yrs) | AL | 59 | 48 | 3.59 | 359 | 25 | 4 | 1 | 181 | 334 | 45 | 956.2 | 863 | 421 | 382 | 77 | 502 | 586 | 41 | 7 | 16 | 1.43 | 8.12 | 0.72 | 4.72 | 5.51 | 3.96 | 1.17 | ||||
| Tot: | Minors (4 yrs) | Minors | 22 | 22 | 3.76 | 61 | 55 | 16 | 4 | 3 | 6 | 2 | 363.2 | 355 | 178 | 152 | 20 | 180 | 209 | 10 | 1 | 2 | 1.47 | 8.79 | 0.49 | 4.45 | 5.17 | 4.41 | 1.16 | ||||
| Tot: | A+ (1 yrs) | A+ | 0 | 0 | 2.25 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 8.0 | 8 | 2 | 2 | 0 | 1 | 6 | 0 | 0 | 0 | 1.12 | 9.00 | 0.00 | 1.12 | 6.75 | 2.25 | 6.00 | ||||
| Tot: | AA (1 yrs) | AA | 9 | 6 | 2.08 | 16 | 16 | 10 | 3 | 0 | 0 | 0 | 117.0 | 93 | 32 | 27 | 6 | 45 | 56 | 0 | 0 | 0 | 1.18 | 7.15 | 0.46 | 3.46 | 4.31 | 2.46 | 1.24 | ||||
| Tot: | AAA (3 yrs) | AAA | 13 | 16 | 4.64 | 43 | 37 | 6 | 1 | 3 | 6 | 2 | 238.2 | 254 | 144 | 123 | 14 | 134 | 147 | 10 | 1 | 2 | 1.63 | 9.58 | 0.53 | 5.05 | 5.54 | 5.43 | 1.10 | ||||
| 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 |
| 1979 | Baltimore Orioles | World Series | Playoffs | 24 | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2.2 | 4 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1.87 | 13.50 | 0.00 | 3.37 | 0.00 | 0.00 | 0.00 |
| 1983 | Baltimore Orioles | Championship Series | Playoffs | 28 | 0 | 0 | 0.00 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 4.1 | 2 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0.69 | 4.15 | 0.00 | 2.08 | 4.15 | 0.00 | 2.00 |
| 1983 | Baltimore Orioles | World Series | Playoffs | 28 | 0 | 0 | 0.00 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 5.0 | 2 | 0 | 0 | 0 | 2 | 6 | 0 | 0 | 0 | 0.80 | 3.60 | 0.00 | 3.60 | 10.80 | 0.00 | 3.00 |
| Tot: | Playoffs (2 Yrs) | Playoffs | 0 | 0 | 0.00 | 6 | 0 | 0 | 0 | 0 | 6 | 1 | 12.0 | 8 | 0 | 0 | 0 | 4 | 8 | 0 | 0 | 0 | 1.00 | 6.00 | 0.00 | 3.00 | 6.00 | 0.00 | 2.00 |
| 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 |
| Tot: | Minors (1 yrs) | Minors | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||||||||||
| Tot: | AA (1 yrs) | AA | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||||||||||
| Tot: | AAA (1 yrs) | AAA | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||||||||||
| Avg: | Minors - 162 game avg | College | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| year | team name | league | category | age | 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 |
| 1983 | Baltimore Orioles | World Series | Playoffs | 28 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 50.00 | 0.00 | 0.00 |
| Tot: | Playoffs (1 Yrs) | Playoffs | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 50.00 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 58 | 19 | 70 | 27 | 70 | 63 | .526 |