| 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 |
| 1974 | California Angels | AL | MLB | CAL | 52 | 24 | 0 | 0 | 8.59 | 3 | 0 | 0 | 0 | 3 | 0 | 0 | 7.1 | 12 | 8 | 7 | 0 | 6 | 4 | 1 | 0 | 0 | 2.45 | 14.73 | 0.00 | 7.36 | 4.91 | 9.82 | 0.67 |
| 1975 | California Angels | AL | MLB | CAL | 33 | 25 | 6 | 5 | 3.11 | 44 | 2 | 0 | 0 | 42 | 27 | 7 | 84.0 | 85 | 38 | 29 | 6 | 28 | 49 | 1 | 0 | 0 | 1.35 | 9.11 | 0.64 | 3.00 | 5.25 | 4.07 | 1.75 |
| 1976 | California Angels | AL | MLB | CAL | 33 | 26 | 6 | 12 | 4.62 | 28 | 26 | 4 | 0 | 2 | 1 | 0 | 157.2 | 167 | 91 | 81 | 12 | 57 | 78 | 4 | 0 | 1 | 1.42 | 9.53 | 0.68 | 3.25 | 4.45 | 5.19 | 1.37 |
| 1977 | California Angels | AL | MLB | CAL | 33 | 27 | 1 | 0 | 5.09 | 13 | 0 | 0 | 0 | 13 | 5 | 1 | 17.2 | 20 | 12 | 10 | 3 | 9 | 10 | 1 | 0 | 0 | 1.64 | 10.19 | 1.53 | 4.58 | 5.09 | 6.11 | 1.11 |
| 1977 | Chicago White Sox | AL | MLB | CHA | 33 | 27 | 1 | 1 | 5.18 | 16 | 0 | 0 | 0 | 16 | 13 | 0 | 40.0 | 49 | 27 | 23 | 3 | 10 | 24 | 5 | 0 | 1 | 1.48 | 11.03 | 0.68 | 2.25 | 5.40 | 6.08 | 2.40 |
| 1978 | Toronto Blue Jays | AL | MLB | TOR | 32 | 28 | 4 | 5 | 4.24 | 16 | 9 | 3 | 0 | 7 | 2 | 0 | 68.0 | 76 | 36 | 32 | 6 | 25 | 29 | 3 | 0 | 0 | 1.49 | 10.06 | 0.79 | 3.31 | 3.84 | 4.76 | 1.16 |
| Tot: | MLB (5 yrs) | MLB | 18 | 23 | 4.37 | 120 | 37 | 7 | 0 | 48 | 83 | 8 | 374.2 | 409 | 212 | 182 | 30 | 135 | 194 | 15 | 0 | 2 | 1.45 | 9.82 | 0.72 | 3.24 | 4.66 | 5.09 | 1.44 | ||||
| Tot: | AL (5 yrs) | AL | 18 | 23 | 4.37 | 120 | 37 | 7 | 0 | 48 | 83 | 8 | 374.2 | 409 | 212 | 182 | 30 | 135 | 194 | 15 | 0 | 2 | 1.45 | 9.82 | 0.72 | 3.24 | 4.66 | 5.09 | 1.44 | ||||
| Avg: | MLB - 162 Inning avg | MLB | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 49 | 61 | 26 | 57 | 26 | 50 | .453 |