| 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 | Boston Red Sox | AL | MLB | BOS | 23 | 22 | 8 | 7 | 3.99 | 41 | 13 | 3 | 1 | 28 | 13 | 3 | 151.0 | 176 | 74 | 67 | 10 | 43 | 44 | 2 | 1 | 3 | 1.45 | 10.49 | 0.60 | 2.56 | 2.62 | 4.41 | 1.02 |
| 1978 | Boston Red Sox | AL | MLB | BOS | 46 | 23 | 15 | 2 | 2.60 | 52 | 3 | 0 | 0 | 49 | 35 | 10 | 141.2 | 142 | 50 | 41 | 5 | 34 | 38 | 0 | 0 | 1 | 1.24 | 9.02 | 0.32 | 2.16 | 2.41 | 3.18 | 1.12 |
| 1979 | Boston Red Sox | AL | MLB | BOS | 46 | 24 | 16 | 12 | 3.99 | 40 | 30 | 9 | 4 | 10 | 7 | 1 | 216.2 | 250 | 110 | 96 | 14 | 44 | 56 | 0 | 0 | 4 | 1.36 | 10.38 | 0.58 | 1.83 | 2.33 | 4.57 | 1.27 |
| 1980 | Boston Red Sox | AL | MLB | BOS | 46 | 25 | 10 | 8 | 3.39 | 52 | 17 | 5 | 1 | 35 | 25 | 14 | 175.0 | 186 | 75 | 66 | 11 | 52 | 71 | 1 | 0 | 7 | 1.36 | 9.57 | 0.57 | 2.67 | 3.65 | 3.86 | 1.37 |
| 1981 | Boston Red Sox | AL | MLB | BOS | 46 | 26 | 10 | 8 | 3.83 | 35 | 1 | 0 | 0 | 34 | 14 | 0 | 98.2 | 110 | 46 | 42 | 3 | 38 | 28 | 1 | 0 | 6 | 1.50 | 10.03 | 0.27 | 3.47 | 2.55 | 4.20 | 0.74 |
| 1982 | Boston Red Sox | AL | MLB | BOS | 46 | 27 | 12 | 7 | 3.10 | 48 | 0 | 0 | 0 | 48 | 33 | 14 | 168.1 | 161 | 60 | 58 | 11 | 50 | 83 | 2 | 0 | 4 | 1.25 | 8.61 | 0.59 | 2.67 | 4.44 | 3.21 | 1.66 |
| 1983 | Boston Red Sox | AL | MLB | BOS | 46 | 28 | 8 | 10 | 2.85 | 64 | 0 | 0 | 0 | 64 | 53 | 33 | 145.1 | 145 | 56 | 46 | 7 | 38 | 65 | 4 | 0 | 3 | 1.26 | 8.98 | 0.43 | 2.35 | 4.03 | 3.47 | 1.71 |
| 1984 | Boston Red Sox | AL | MLB | BOS | 46 | 29 | 9 | 10 | 3.54 | 57 | 0 | 0 | 0 | 57 | 47 | 22 | 106.2 | 113 | 57 | 42 | 9 | 23 | 52 | 1 | 0 | 2 | 1.27 | 9.53 | 0.76 | 1.94 | 4.39 | 4.81 | 2.26 |
| 1985 | Boston Red Sox | AL | MLB | BOS | 46 | 30 | 6 | 6 | 2.87 | 48 | 0 | 0 | 0 | 48 | 41 | 10 | 87.2 | 76 | 30 | 28 | 7 | 30 | 46 | 1 | 0 | 2 | 1.21 | 7.80 | 0.72 | 3.08 | 4.72 | 3.08 | 1.53 |
| 1986 | Boston Red Sox | AL | MLB | BOS | 19 | 31 | 6 | 6 | 4.37 | 66 | 1 | 0 | 0 | 65 | 50 | 16 | 82.1 | 109 | 48 | 40 | 9 | 22 | 54 | 1 | 0 | 0 | 1.59 | 11.91 | 0.98 | 2.40 | 5.90 | 5.25 | 2.45 |
| 1987 | Boston Red Sox | AL | MLB | BOS | 46 | 32 | 4 | 15 | 5.01 | 34 | 20 | 4 | 1 | 14 | 5 | 0 | 152.2 | 198 | 96 | 85 | 17 | 42 | 67 | 3 | 0 | 1 | 1.57 | 11.67 | 1.00 | 2.48 | 3.95 | 5.66 | 1.60 |
| 1988 | Winter Haven Red Sox | FSL | A+ | BOS | - | 33 | 0 | 1 | 7.20 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 10.0 | 13 | 9 | 8 | 0 | 3 | 3 | 0 | 0 | 1 | 1.60 | 11.70 | 0.00 | 2.70 | 2.70 | 8.10 | 1.00 |
| 1988 | Pawtucket Red Sox | IL | AAA | BOS | - | 33 | 1 | 0 | 0.82 | 4 | 2 | 0 | 0 | 2 | 0 | 0 | 11.0 | 7 | 1 | 1 | 0 | 5 | 6 | 0 | 0 | 0 | 1.09 | 5.73 | 0.00 | 4.09 | 4.91 | 0.82 | 1.20 |
| 1988 | Boston Red Sox | AL | MLB | BOS | 46 | 33 | 6 | 4 | 3.19 | 57 | 0 | 0 | 0 | 57 | 31 | 5 | 101.2 | 90 | 41 | 36 | 6 | 29 | 57 | 5 | 1 | 7 | 1.17 | 7.97 | 0.53 | 2.57 | 5.05 | 3.63 | 1.97 |
| 1989 | Boston Red Sox | AL | MLB | BOS | 46 | 34 | 5 | 2 | 4.88 | 43 | 0 | 0 | 0 | 43 | 22 | 4 | 79.1 | 102 | 54 | 43 | 4 | 26 | 32 | 1 | 0 | 1 | 1.61 | 11.57 | 0.45 | 2.95 | 3.63 | 6.13 | 1.23 |
| Tot: | MLB (13 yrs) | MLB | 115 | 97 | 3.64 | 637 | 85 | 21 | 7 | 376 | 552 | 132 | 1707.0 | 1858 | 797 | 690 | 113 | 471 | 693 | 22 | 2 | 41 | 1.36 | 9.80 | 0.60 | 2.48 | 3.65 | 4.20 | 1.47 | ||||
| Tot: | AL (13 yrs) | AL | 115 | 97 | 3.64 | 637 | 85 | 21 | 7 | 376 | 552 | 132 | 1707.0 | 1858 | 797 | 690 | 113 | 471 | 693 | 22 | 2 | 41 | 1.36 | 9.80 | 0.60 | 2.48 | 3.65 | 4.20 | 1.47 | ||||
| Tot: | Minors (1 yrs) | Minors | 1 | 1 | 3.86 | 6 | 4 | 0 | 0 | 0 | 2 | 0 | 21.0 | 20 | 10 | 9 | 0 | 8 | 9 | 0 | 0 | 1 | 1.33 | 8.57 | 0.00 | 3.43 | 3.86 | 4.29 | 1.13 | ||||
| Tot: | A+ (1 yrs) | A+ | 0 | 1 | 7.20 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 10.0 | 13 | 9 | 8 | 0 | 3 | 3 | 0 | 0 | 1 | 1.60 | 11.70 | 0.00 | 2.70 | 2.70 | 8.10 | 1.00 | ||||
| Tot: | AAA (1 yrs) | AAA | 1 | 0 | 0.82 | 4 | 2 | 0 | 0 | 0 | 2 | 0 | 11.0 | 7 | 1 | 1 | 0 | 5 | 6 | 0 | 0 | 0 | 1.09 | 5.73 | 0.00 | 4.09 | 4.91 | 0.82 | 1.20 | ||||
| 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 | American League | Major League Baseball | AllStar | 24 | 0 | 0 | 4.50 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 2.0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 4.50 | 0.00 | 0.00 | 0.00 | 4.50 | 0.00 |
| 1983 | American League | Major League Baseball | AllStar | 28 | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 2.0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.00 | 9.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 1986 | Boston Red Sox | Championship Series | Playoffs | 31 | 0 | 0 | 3.18 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 5.2 | 7 | 0 | 2 | 0 | 3 | 1 | 0 | 0 | 0 | 1.76 | 11.12 | 0.00 | 4.76 | 1.59 | 0.00 | 0.33 |
| 1986 | Boston Red Sox | World Series | Playoffs | 31 | 0 | 0 | 0.00 | 5 | 0 | 0 | 0 | 0 | 0 | 1 | 6.1 | 5 | 0 | 0 | 0 | 1 | 4 | 0 | 0 | 0 | 0.95 | 7.11 | 0.00 | 1.42 | 5.68 | 0.00 | 4.00 |
| 1988 | Boston Red Sox | Championship Series | Playoffs | 33 | 0 | 0 | 9.00 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 2 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 3.00 | 18.00 | 0.00 | 9.00 | 0.00 | 0.00 | 0.00 |
| Tot: | AllStar (2 Yrs) | AllStar | 0 | 0 | 2.25 | 2 | 0 | 0 | 0 | 0 | 2 | 0 | 4.0 | 3 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.75 | 6.75 | 0.00 | 0.00 | 0.00 | 2.25 | |||
| Tot: | Playoffs (2 Yrs) | Playoffs | 0 | 0 | 2.08 | 10 | 0 | 0 | 0 | 0 | 10 | 1 | 13.0 | 14 | 0 | 3 | 0 | 5 | 5 | 0 | 0 | 0 | 1.46 | 9.69 | 0.00 | 3.46 | 3.46 | 0.00 | 1.00 |
| 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 |
| 1979 | American League | Major League Baseball | AllStar | 24 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 0.00 | 0.00 | 0.00 |
| 1983 | American League | Major League Baseball | AllStar | 28 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 0.00 | 0.00 | 0.00 |
| 1986 | Boston Red Sox | World Series | Playoffs | 31 | 5 | 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: | AllStar (2 Yrs) | AllStar | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||||||
| Tot: | Playoffs (1 Yrs) | Playoffs | 5 | 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 | 0.00 | 100.00 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 21 | 76 | 36 | 45 | 36 | 88 | .510 |