| 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 | Dunedin Blue Jays | FSL | A+ | TOR | - | 22 | 12 | 2 | 2.64 | 21 | 21 | 7 | 4 | 0 | 0 | 0 | 150.0 | 137 | 51 | 44 | 5 | 45 | 90 | 2 | 0 | 2 | 1.21 | 8.22 | 0.30 | 2.70 | 5.40 | 3.06 | 2.00 |
| 1979 | Syracuse Chiefs | IL | AAA | TOR | - | 22 | 1 | 0 | 4.50 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 6.0 | 4 | 3 | 3 | 1 | 2 | 2 | 0 | 0 | 0 | 1.00 | 6.00 | 1.50 | 3.00 | 3.00 | 4.50 | 1.00 |
| 1980 | Syracuse Chiefs | IL | AAA | TOR | - | 23 | 6 | 5 | 3.27 | 16 | 16 | 2 | 0 | 0 | 0 | 0 | 110.0 | 102 | 44 | 40 | 3 | 31 | 76 | 3 | 0 | 3 | 1.21 | 8.35 | 0.25 | 2.54 | 6.22 | 3.60 | 2.45 |
| 1980 | Toronto Blue Jays | AL | MLB | TOR | 48 | 23 | 3 | 4 | 4.53 | 13 | 10 | 1 | 0 | 3 | 1 | 0 | 59.2 | 72 | 35 | 30 | 6 | 31 | 26 | 0 | 0 | 1 | 1.73 | 10.86 | 0.91 | 4.68 | 3.92 | 5.28 | 0.84 |
| 1981 | Gulf Coast Blue Jays | GCL | Rk | TOR | - | 24 | 1 | 1 | 3.33 | 16 | 2 | 0 | 0 | 14 | 9 | 2 | 27.0 | 30 | 21 | 10 | 1 | 8 | 20 | 2 | 0 | 0 | 1.41 | 10.00 | 0.33 | 2.67 | 6.67 | 7.00 | 2.50 |
| 1981 | Toronto Blue Jays | AL | MLB | TOR | 48 | 24 | 7 | 13 | 3.68 | 29 | 19 | 3 | 0 | 10 | 4 | 1 | 129.2 | 127 | 63 | 53 | 8 | 44 | 71 | 8 | 1 | 5 | 1.32 | 8.81 | 0.56 | 3.05 | 4.93 | 4.37 | 1.61 |
| 1982 | Toronto Blue Jays | AL | MLB | TOR | 48 | 25 | 12 | 15 | 3.93 | 38 | 38 | 10 | 0 | 0 | 0 | 0 | 249.2 | 250 | 113 | 109 | 24 | 79 | 111 | 5 | 1 | 3 | 1.32 | 9.01 | 0.87 | 2.85 | 4.00 | 4.07 | 1.41 |
| 1983 | Toronto Blue Jays | AL | MLB | TOR | 25 | 26 | 13 | 12 | 4.31 | 35 | 35 | 7 | 1 | 0 | 0 | 0 | 217.1 | 216 | 113 | 104 | 23 | 65 | 116 | 2 | 2 | 6 | 1.29 | 8.94 | 0.95 | 2.69 | 4.80 | 4.68 | 1.78 |
| 1984 | Toronto Blue Jays | AL | MLB | TOR | 48 | 27 | 13 | 8 | 3.89 | 35 | 35 | 6 | 2 | 0 | 0 | 0 | 222.1 | 221 | 106 | 96 | 27 | 77 | 134 | 5 | 1 | 4 | 1.34 | 8.95 | 1.09 | 3.12 | 5.42 | 4.29 | 1.74 |
| 1985 | Syracuse Chiefs | IL | AAA | TOR | - | 28 | 6 | 2 | 3.91 | 12 | 12 | 0 | 0 | 0 | 0 | 0 | 69.0 | 69 | 32 | 30 | 2 | 20 | 43 | 3 | 0 | 0 | 1.29 | 9.00 | 0.26 | 2.61 | 5.61 | 4.17 | 2.15 |
| 1985 | Toronto Blue Jays | AL | MLB | TOR | 48 | 28 | 3 | 6 | 5.75 | 15 | 14 | 0 | 0 | 1 | 1 | 0 | 67.1 | 82 | 46 | 43 | 13 | 24 | 33 | 3 | 1 | 3 | 1.57 | 10.96 | 1.74 | 3.21 | 4.41 | 6.15 | 1.38 |
| 1986 | Syracuse Chiefs | IL | AAA | TOR | - | 29 | 3 | 4 | 4.14 | 34 | 9 | 0 | 0 | 25 | 3 | 0 | 76.0 | 87 | 40 | 35 | 7 | 32 | 47 | 3 | 0 | 1 | 1.57 | 10.30 | 0.83 | 3.79 | 5.57 | 4.74 | 1.47 |
| 1987 | Knoxville Blue Jays | Sou | AA | TOR | - | 30 | 1 | 0 | 0.00 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 6.0 | 5 | 0 | 0 | 0 | 2 | 7 | 0 | 0 | 0 | 1.17 | 7.50 | 0.00 | 3.00 | 10.50 | 0.00 | 3.50 |
| 1987 | Syracuse Chiefs | IL | AAA | TOR | - | 30 | 2 | 1 | 2.37 | 4 | 3 | 0 | 0 | 1 | 1 | 0 | 19.0 | 11 | 6 | 5 | 0 | 5 | 9 | 0 | 0 | 3 | 0.84 | 5.21 | 0.00 | 2.37 | 4.26 | 2.84 | 1.80 |
| Tot: | MLB (6 yrs) | MLB | 51 | 58 | 4.14 | 165 | 151 | 27 | 3 | 6 | 14 | 1 | 946.0 | 968 | 476 | 435 | 101 | 320 | 491 | 23 | 6 | 22 | 1.36 | 9.21 | 0.96 | 3.04 | 4.67 | 4.53 | 1.53 | ||||
| Tot: | AL (6 yrs) | AL | 51 | 58 | 4.14 | 165 | 151 | 27 | 3 | 6 | 14 | 1 | 946.0 | 968 | 476 | 435 | 101 | 320 | 491 | 23 | 6 | 22 | 1.36 | 9.21 | 0.96 | 3.04 | 4.67 | 4.53 | 1.53 | ||||
| Tot: | Minors (6 yrs) | Minors | 32 | 15 | 3.25 | 105 | 65 | 9 | 4 | 13 | 40 | 2 | 463.0 | 445 | 197 | 167 | 19 | 145 | 294 | 13 | 0 | 9 | 1.27 | 8.65 | 0.37 | 2.82 | 5.71 | 3.83 | 2.03 | ||||
| Tot: | Rk (1 yrs) | Rk | 1 | 1 | 3.33 | 16 | 2 | 0 | 0 | 9 | 14 | 2 | 27.0 | 30 | 21 | 10 | 1 | 8 | 20 | 2 | 0 | 0 | 1.41 | 10.00 | 0.33 | 2.67 | 6.67 | 7.00 | 2.50 | ||||
| Tot: | A+ (1 yrs) | A+ | 12 | 2 | 2.64 | 21 | 21 | 7 | 4 | 0 | 0 | 0 | 150.0 | 137 | 51 | 44 | 5 | 45 | 90 | 2 | 0 | 2 | 1.21 | 8.22 | 0.30 | 2.70 | 5.40 | 3.06 | 2.00 | ||||
| Tot: | AA (1 yrs) | AA | 1 | 0 | 0.00 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 6.0 | 5 | 0 | 0 | 0 | 2 | 7 | 0 | 0 | 0 | 1.17 | 7.50 | 0.00 | 3.00 | 10.50 | 0.00 | 3.50 | ||||
| Tot: | AAA (5 yrs) | AAA | 18 | 12 | 3.63 | 67 | 41 | 2 | 0 | 4 | 26 | 0 | 280.0 | 273 | 125 | 113 | 13 | 90 | 177 | 9 | 0 | 7 | 1.30 | 8.77 | 0.42 | 2.89 | 5.69 | 4.02 | 1.97 | ||||
| Avg: | MLB - 162 Inning avg | MLB | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||
| Avg: | Minors - 162 Inning avg | College | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 44 | 68 | 46 | 63 | 46 | 68 | .491 |