| Primary Position: Pitcher | Bats: R Throws: R |
| Born: August 23, 1957 | Location: Cedar Rapids, IA USA |
| Played in 14 Major League seasons (1980-1993) | |
| Year | League | Team | Age | Shark WAR | Pitching WAR | G | GS | IP | W | L | CG | SV | R | BB | SO | Pitch Runs Saved | ERA | WHIP | SOper9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1980 | AL | BAL | 22 | -0.3 | -0.3 | 1 | 1 | 7.33 | 0 | 1 | 0 | 0 | 6 | 5 | 4 | -2.47 | 6.14 | 1.50 | 4.91 |
| 1981 | AL | BAL | 23 | -0.1 | -0.1 | 2 | 0 | 5.67 | 0 | 0 | 0 | 0 | 4 | 2 | 2 | -0.78 | 4.76 | 1.41 | 3.18 |
| 1982 | AL | BAL | 24 | 0.4 | 0.4 | 7 | 0 | 25.67 | 1 | 0 | 0 | 0 | 10 | 12 | 20 | 3.71 | 3.51 | 1.44 | 7.01 |
| 1983 | AL | BAL | 25 | 5.7 | 5.7 | 27 | 26 | 179.00 | 16 | 8 | 10 | 0 | 65 | 52 | 120 | 49.50 | 2.77 | 1.08 | 6.03 |
| 1984 | AL | BAL | 26 | 8.2 | 8.2 | 34 | 34 | 261.33 | 20 | 11 | 16 | 0 | 95 | 81 | 128 | 66.51 | 2.79 | 1.14 | 4.41 |
| 1985 | AL | BAL | 27 | 2.2 | 2.2 | 32 | 32 | 203.33 | 12 | 17 | 9 | 0 | 104 | 89 | 135 | 17.82 | 4.07 | 1.55 | 5.98 |
| 1986 | AL | BAL | 28 | 0.7 | 0.7 | 33 | 33 | 218.33 | 14 | 12 | 7 | 0 | 125 | 74 | 175 | 6.05 | 4.70 | 1.32 | 7.21 |
| 1987 | AL | BAL | 29 | 3.9 | 3.9 | 33 | 33 | 226.00 | 10 | 12 | 7 | 0 | 114 | 78 | 152 | 30.65 | 4.18 | 1.28 | 6.05 |
| 1988 | AL | BAL | 30 | 1.7 | 1.7 | 21 | 21 | 147.00 | 6 | 12 | 4 | 0 | 72 | 51 | 100 | 13.32 | 3.86 | 1.36 | 6.12 |
| AL | BOS | 30 | 3.1 | 3.1 | 15 | 14 | 89.00 | 7 | 3 | 1 | 0 | 30 | 26 | 56 | 24.56 | 2.63 | 1.25 | 5.66 | |
| 1989 | AL | BOS | 31 | 2.8 | 2.8 | 34 | 34 | 211.67 | 15 | 11 | 3 | 0 | 101 | 71 | 145 | 21.47 | 4.00 | 1.36 | 6.17 |
| 1990 | AL | BOS | 32 | 5.2 | 5.2 | 34 | 34 | 228.00 | 17 | 8 | 4 | 0 | 92 | 69 | 143 | 46.90 | 3.36 | 1.29 | 5.64 |
| 1991 | AL | KCA | 33 | 1.9 | 1.9 | 30 | 29 | 180.67 | 12 | 12 | 1 | 0 | 89 | 59 | 79 | 17.45 | 4.08 | 1.37 | 3.94 |
| 1992 | AL | KCA | 34 | -0.3 | -0.3 | 29 | 8 | 86.67 | 1 | 4 | 0 | 3 | 50 | 37 | 47 | -3.34 | 4.98 | 1.49 | 4.88 |
| 1993 | AL | ML4 | 35 | -0.3 | -0.3 | 10 | 10 | 54.00 | 3 | 5 | 1 | 0 | 35 | 15 | 24 | -3.11 | 5.67 | 1.70 | 4.00 |
| Career Totals | 34.8 | 34.8 | 342 | 309 | 2123.7 | 134 | 116 | 63 | 3 | 992 | 721 | 1330 | 288.243 | 3.8 | 1.32 | 5.64 | |||