| 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 |
| 1979 | Bluefield Orioles | App | Rk | BAL | - | 17 | 4 | 4 | 3.88 | 10 | 10 | 3 | 1 | 0 | 0 | 0 | 58.0 | 44 | 34 | 25 | 3 | 30 | 54 | 4 | 0 | 2 | 1.28 | 6.83 | 0.47 | 4.66 | 8.38 | 5.28 | 1.80 |
| 1980 | Miami Orioles | FSL | A+ | BAL | - | 18 | 9 | 12 | 3.52 | 25 | 25 | 7 | 0 | 0 | 0 | 0 | 151.0 | 157 | 85 | 59 | 3 | 55 | 90 | 13 | 0 | 4 | 1.40 | 9.36 | 0.18 | 3.28 | 5.36 | 5.07 | 1.64 |
| 1981 | Charlotte O's | Sou | AA | BAL | - | 19 | 14 | 10 | 3.47 | 28 | 28 | 6 | 2 | 0 | 0 | 0 | 187.0 | 215 | 86 | 72 | 14 | 65 | 119 | 7 | 0 | 0 | 1.50 | 10.35 | 0.67 | 3.13 | 5.73 | 4.14 | 1.83 |
| 1982 | Rochester Red Wings | IL | AAA | BAL | - | 20 | 2 | 1 | 3.71 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 26.2 | 25 | 13 | 11 | 1 | 7 | 27 | 1 | 0 | 0 | 1.20 | 8.44 | 0.34 | 2.36 | 9.11 | 4.39 | 3.86 |
| 1982 | Baltimore Orioles | AL | MLB | BAL | 34,39 | 20 | 8 | 4 | 3.49 | 29 | 8 | 1 | 0 | 21 | 9 | 0 | 100.2 | 96 | 40 | 39 | 8 | 28 | 67 | 2 | 1 | 0 | 1.23 | 8.58 | 0.72 | 2.50 | 5.99 | 3.58 | 2.39 |
| 1983 | Baltimore Orioles | AL | MLB | BAL | 34 | 21 | 13 | 7 | 3.59 | 34 | 29 | 6 | 1 | 5 | 0 | 0 | 200.1 | 180 | 90 | 80 | 14 | 64 | 125 | 7 | 2 | 2 | 1.22 | 8.09 | 0.63 | 2.88 | 5.62 | 4.04 | 1.95 |
| 1984 | Baltimore Orioles | AL | MLB | BAL | 34 | 22 | 14 | 9 | 3.12 | 35 | 31 | 10 | 2 | 4 | 3 | 1 | 225.0 | 205 | 86 | 78 | 7 | 71 | 105 | 6 | 1 | 5 | 1.23 | 8.20 | 0.28 | 2.84 | 4.20 | 3.44 | 1.48 |
| 1985 | Baltimore Orioles | AL | MLB | BAL | 34 | 23 | 10 | 8 | 4.53 | 31 | 28 | 8 | 1 | 3 | 0 | 0 | 175.0 | 172 | 92 | 88 | 11 | 70 | 93 | 2 | 1 | 1 | 1.38 | 8.85 | 0.57 | 3.60 | 4.78 | 4.73 | 1.33 |
| 1986 | Hagerstown Suns | Caro | A+ | BAL | - | 24 | 0 | 0 | 0.00 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 4.0 | 3 | 0 | 0 | 0 | 3 | 6 | 0 | 0 | 0 | 1.50 | 6.75 | 0.00 | 6.75 | 13.50 | 0.00 | 2.00 |
| 1986 | Baltimore Orioles | AL | MLB | BAL | 34 | 24 | 9 | 12 | 3.62 | 25 | 25 | 2 | 0 | 0 | 0 | 0 | 154.0 | 166 | 70 | 62 | 16 | 49 | 96 | 5 | 0 | 0 | 1.40 | 9.70 | 0.94 | 2.86 | 5.61 | 4.09 | 1.96 |
| 1987 | Reno Padres | Calif | A+ | SDN | - | 25 | 0 | 0 | 3.60 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 5.0 | 2 | 2 | 2 | 0 | 6 | 5 | 0 | 0 | 0 | 1.60 | 3.60 | 0.00 | 10.80 | 9.00 | 3.60 | 0.83 |
| 1987 | Wichita Pilots | Tex | AA | SDN | - | 25 | 0 | 1 | 0.00 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 4.0 | 4 | 3 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1.00 | 9.00 | 0.00 | 0.00 | 4.50 | 6.75 | 0.00 |
| 1987 | San Diego Padres | NL | MLB | SDN | 34 | 25 | 2 | 7 | 6.18 | 21 | 10 | 0 | 0 | 11 | 5 | 0 | 62.2 | 70 | 48 | 43 | 5 | 36 | 37 | 7 | 1 | 2 | 1.69 | 10.05 | 0.72 | 5.17 | 5.31 | 6.89 | 1.03 |
| 1987 | Oakland Athletics | AL | MLB | OAK | 41 | 25 | 1 | 1 | 3.26 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | 30.1 | 28 | 13 | 11 | 3 | 11 | 28 | 2 | 0 | 0 | 1.29 | 8.31 | 0.89 | 3.26 | 8.31 | 3.86 | 2.55 |
| 1988 | Oakland Athletics | AL | MLB | OAK | 14 | 26 | 16 | 7 | 3.70 | 33 | 33 | 1 | 0 | 0 | 0 | 0 | 201.2 | 211 | 86 | 83 | 16 | 91 | 127 | 16 | 2 | 1 | 1.50 | 9.42 | 0.71 | 4.06 | 5.67 | 3.84 | 1.40 |
| 1989 | Oakland Athletics | AL | MLB | OAK | 14 | 27 | 19 | 7 | 4.36 | 31 | 31 | 1 | 0 | 0 | 0 | 0 | 169.1 | 187 | 91 | 82 | 19 | 68 | 91 | 8 | 1 | 3 | 1.51 | 9.94 | 1.01 | 3.61 | 4.84 | 4.84 | 1.34 |
| 1990 | Kansas City Royals | AL | MLB | KCA | 14 | 28 | 7 | 10 | 4.74 | 21 | 20 | 0 | 0 | 1 | 0 | 0 | 112.0 | 129 | 66 | 59 | 9 | 35 | 62 | 8 | 1 | 0 | 1.46 | 10.37 | 0.72 | 2.81 | 4.98 | 5.30 | 1.77 |
| 1991 | Kansas City Royals | AL | MLB | KCA | 14 | 29 | 3 | 9 | 4.96 | 51 | 9 | 1 | 1 | 42 | 22 | 2 | 114.1 | 140 | 69 | 63 | 11 | 46 | 53 | 1 | 0 | 1 | 1.63 | 11.02 | 0.87 | 3.62 | 4.17 | 5.43 | 1.15 |
| 1992 | Baltimore Orioles | AL | MLB | BAL | 34 | 30 | 7 | 3 | 3.43 | 48 | 2 | 0 | 0 | 46 | 24 | 4 | 89.1 | 79 | 35 | 34 | 5 | 36 | 53 | 4 | 0 | 2 | 1.29 | 7.96 | 0.50 | 3.63 | 5.34 | 3.53 | 1.47 |
| 1993 | Oakland Athletics | AL | MLB | OAK | 15 | 31 | 2 | 6 | 6.18 | 19 | 8 | 0 | 0 | 11 | 2 | 0 | 62.2 | 68 | 45 | 43 | 5 | 33 | 37 | 2 | 0 | 2 | 1.61 | 9.77 | 0.72 | 4.74 | 5.31 | 6.46 | 1.12 |
| 1993 | Detroit Tigers | AL | MLB | DET | 48 | 31 | 0 | 2 | 3.06 | 24 | 0 | 0 | 0 | 24 | 10 | 4 | 35.1 | 25 | 12 | 12 | 4 | 15 | 36 | 1 | 0 | 1 | 1.13 | 6.37 | 1.02 | 3.82 | 9.17 | 3.06 | 2.40 |
| 1994 | Detroit Tigers | AL | MLB | DET | 48 | 32 | 2 | 4 | 3.56 | 35 | 0 | 0 | 0 | 35 | 10 | 0 | 48.0 | 36 | 23 | 19 | 3 | 34 | 38 | 10 | 0 | 0 | 1.46 | 6.75 | 0.56 | 6.38 | 7.13 | 4.31 | 1.12 |
| 1995 | Indianapolis Indians | Amer | AAA | CIN | - | 33 | 0 | 0 | 3.38 | 4 | 0 | 0 | 0 | 4 | 1 | 0 | 5.1 | 4 | 2 | 2 | 0 | 3 | 4 | 1 | 0 | 0 | 1.31 | 6.75 | 0.00 | 5.06 | 6.75 | 3.38 | 1.33 |
| Tot: | MLB (13 yrs) | MLB | 113 | 96 | 4.02 | 442 | 239 | 30 | 5 | 85 | 203 | 11 | 1780.2 | 1792 | 866 | 796 | 136 | 687 | 1048 | 81 | 10 | 20 | 1.39 | 9.06 | 0.69 | 3.47 | 5.30 | 4.38 | 1.53 | ||||
| Tot: | AL (13 yrs) | AL | 111 | 89 | 3.94 | 421 | 229 | 30 | 5 | 80 | 192 | 11 | 1718.0 | 1722 | 818 | 753 | 131 | 651 | 1011 | 74 | 9 | 18 | 1.38 | 9.02 | 0.69 | 3.41 | 5.30 | 4.29 | 1.55 | ||||
| Tot: | NL (1 yrs) | NL | 2 | 7 | 6.18 | 21 | 10 | 0 | 0 | 5 | 11 | 0 | 62.2 | 70 | 48 | 43 | 5 | 36 | 37 | 7 | 1 | 2 | 1.69 | 10.05 | 0.72 | 5.17 | 5.31 | 6.89 | 1.03 | ||||
| Tot: | Minors (7 yrs) | Minors | 29 | 28 | 3.49 | 74 | 70 | 16 | 3 | 1 | 4 | 0 | 441.0 | 454 | 225 | 171 | 21 | 169 | 307 | 26 | 0 | 6 | 1.41 | 9.27 | 0.43 | 3.45 | 6.27 | 4.59 | 1.82 | ||||
| Tot: | Rk (1 yrs) | Rk | 4 | 4 | 3.88 | 10 | 10 | 3 | 1 | 0 | 0 | 0 | 58.0 | 44 | 34 | 25 | 3 | 30 | 54 | 4 | 0 | 2 | 1.28 | 6.83 | 0.47 | 4.66 | 8.38 | 5.28 | 1.80 | ||||
| Tot: | A+ (3 yrs) | A+ | 9 | 12 | 3.43 | 27 | 27 | 7 | 0 | 0 | 0 | 0 | 160.0 | 162 | 87 | 61 | 3 | 64 | 101 | 13 | 0 | 4 | 1.41 | 9.11 | 0.17 | 3.60 | 5.68 | 4.89 | 1.58 | ||||
| Tot: | AA (2 yrs) | AA | 14 | 11 | 3.39 | 29 | 29 | 6 | 2 | 0 | 0 | 0 | 191.0 | 219 | 89 | 72 | 14 | 65 | 121 | 7 | 0 | 0 | 1.49 | 10.32 | 0.66 | 3.06 | 5.70 | 4.19 | 1.86 | ||||
| Tot: | AAA (2 yrs) | AAA | 2 | 1 | 3.66 | 8 | 4 | 0 | 0 | 1 | 4 | 0 | 32.0 | 29 | 15 | 13 | 1 | 10 | 31 | 2 | 0 | 0 | 1.22 | 8.16 | 0.28 | 2.81 | 8.72 | 4.22 | 3.10 | ||||
| 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 |
| 1983 | Baltimore Orioles | Championship Series | Playoffs | 21 | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 6.0 | 5 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 0 | 1.17 | 7.50 | 0.00 | 3.00 | 3.00 | 0.00 | 1.00 |
| 1983 | Baltimore Orioles | World Series | Playoffs | 21 | 1 | 0 | 5.40 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 5.0 | 6 | 0 | 3 | 0 | 1 | 3 | 0 | 0 | 0 | 1.40 | 10.80 | 0.00 | 1.80 | 5.40 | 0.00 | 3.00 |
| 1988 | Oakland Athletics | Championship Series | Playoffs | 26 | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 6.1 | 2 | 0 | 0 | 0 | 5 | 4 | 0 | 0 | 0 | 1.11 | 2.84 | 0.00 | 7.11 | 5.68 | 0.00 | 0.80 |
| 1988 | Oakland Athletics | World Series | Playoffs | 26 | 0 | 2 | 11.25 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 8.0 | 14 | 0 | 10 | 0 | 1 | 7 | 0 | 0 | 0 | 1.88 | 15.75 | 0.00 | 1.13 | 7.88 | 0.00 | 7.00 |
| 1989 | Oakland Athletics | Championship Series | Playoffs | 27 | 0 | 1 | 7.11 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 6.1 | 5 | 0 | 5 | 0 | 2 | 3 | 0 | 0 | 0 | 1.11 | 7.11 | 0.00 | 2.84 | 4.26 | 0.00 | 1.50 |
| Tot: | Playoffs (3 Yrs) | Playoffs | 1 | 3 | 5.12 | 6 | 0 | 0 | 0 | 0 | 6 | 0 | 31.2 | 32 | 0 | 18 | 0 | 11 | 19 | 0 | 0 | 0 | 1.36 | 9.09 | 0.00 | 3.13 | 5.40 | 0.00 | 1.73 |
| 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 |
| 1987 | Wichita Pilots | Tex | AA | SDN | - | 25 | OF | 1 | 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 | |
| 1987 | San Diego Padres | NL | MLB | SDN | 34 | 25 | P | 21 | 16 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 1 | 0 | 0 | 0 | 1 | 17 | 0 | 1 | .063 | .063 | .063 | .126 | .000 | .000 | .167 | 0.00 | 58.82 | 0.00 | 0.00 | |
| Tot: | MLB (1 yrs) | MLB | 21 | 16 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 1 | 0 | 0 | 0 | 1 | 17 | 0 | 1 | .063 | .063 | .063 | .125 | .000 | .000 | .167 | 0.00 | 58.82 | ||||||||
| Tot: | NL (1 yrs) | NL | 21 | 16 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 1 | 0 | 0 | 0 | 1 | 17 | 0 | 1 | .063 | .063 | .063 | .125 | .000 | .000 | .167 | 0.00 | 58.82 | ||||||||
| Tot: | Minors (1 yrs) | Minors | 1 | 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 | ||||||||
| Tot: | AA (1 yrs) | AA | 1 | 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 | ||||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||||
| 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 | 21 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 100.00 | 0.00 | 0.00 |
| 1988 | Oakland Athletics | World Series | Playoffs | 26 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 100.00 | 0.00 | 0.00 |
| Tot: | Playoffs (2 Yrs) | Playoffs | 3 | 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 | 0.00 | 100.00 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 54 | 52 | 51 | 54 | 51 | 68 | .520 |