| 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 |
| 1970 | Montreal Expos | NL | MLB | MON | 36 | 23 | 3 | 1 | 4.86 | 42 | 0 | 0 | 0 | 42 | 11 | 0 | 76.0 | 85 | 48 | 41 | 7 | 39 | 74 | 9 | 1 | 2 | 1.63 | 10.07 | 0.83 | 4.62 | 8.76 | 5.68 | 1.90 |
| 1971 | Montreal Expos | NL | MLB | MON | 36 | 24 | 7 | 5 | 4.34 | 27 | 14 | 2 | 0 | 13 | 8 | 1 | 114.0 | 124 | 63 | 55 | 16 | 31 | 56 | 0 | 0 | 4 | 1.36 | 9.79 | 1.26 | 2.45 | 4.42 | 4.97 | 1.81 |
| 1972 | Montreal Expos | NL | MLB | MON | 36 | 25 | 1 | 2 | 3.52 | 48 | 0 | 0 | 0 | 48 | 20 | 3 | 76.2 | 73 | 32 | 30 | 6 | 31 | 50 | 3 | 1 | 1 | 1.36 | 8.57 | 0.70 | 3.64 | 5.87 | 3.76 | 1.61 |
| 1973 | Montreal Expos | NL | MLB | MON | 36 | 26 | 0 | 1 | 5.19 | 17 | 3 | 0 | 0 | 14 | 6 | 0 | 34.2 | 34 | 20 | 20 | 4 | 22 | 15 | 0 | 0 | 1 | 1.62 | 8.83 | 1.04 | 5.71 | 3.89 | 5.19 | 0.68 |
| 1973 | New York Mets | NL | MLB | NYN | 39 | 26 | 0 | 0 | 8.10 | 7 | 0 | 0 | 0 | 7 | 3 | 0 | 10.0 | 13 | 10 | 9 | 2 | 4 | 5 | 1 | 0 | 0 | 1.70 | 11.70 | 1.80 | 3.60 | 4.50 | 9.00 | 1.25 |
| 1974 | New York Mets | NL | MLB | NYN | 39 | 27 | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 1.0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1.00 | 0.00 | 0.00 | 9.00 | 0.00 | 0.00 | 0.00 |
| Tot: | MLB (5 yrs) | MLB | 11 | 9 | 4.47 | 142 | 17 | 2 | 0 | 49 | 125 | 4 | 312.1 | 329 | 173 | 155 | 35 | 128 | 200 | 13 | 2 | 8 | 1.46 | 9.48 | 1.01 | 3.69 | 5.76 | 4.99 | 1.56 | ||||
| Tot: | NL (5 yrs) | NL | 11 | 9 | 4.47 | 142 | 17 | 2 | 0 | 49 | 125 | 4 | 312.1 | 329 | 173 | 155 | 35 | 128 | 200 | 13 | 2 | 8 | 1.46 | 9.48 | 1.01 | 3.69 | 5.76 | 4.99 | 1.56 | ||||
| Avg: | MLB - 162 Inning avg | MLB | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| 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 |
| 1970 | Montreal Expos | NL | MLB | MON | 36 | 23 | P | 42 | 6 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 7 | 0 | 1 | .167 | .167 | .167 | .334 | .000 | .000 | .200 | 0.00 | 14.29 | 0.00 | 0.00 | |
| 1971 | Montreal Expos | NL | MLB | MON | 36 | 24 | P | 27 | 35 | 2 | 8 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 9 | 0 | 5 | 0 | 0 | 1 | 8 | 40 | 0 | 8 | .229 | .229 | .229 | .458 | .000 | .000 | .308 | 0.00 | 22.50 | 0.00 | 0.00 | |
| 1972 | Montreal Expos | NL | MLB | MON | 36 | 25 | P | 48 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | .000 | .200 | .000 | .200 | .250 | .000 | .000 | 16.67 | 16.67 | 1.00 | 0.00 | |
| 1973 | Montreal Expos | NL | MLB | MON | 36 | 26 | P | 17 | 5 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 6 | 0 | 1 | .200 | .333 | .200 | .533 | .200 | .000 | .250 | 16.67 | 16.67 | 1.00 | 0.00 | |
| Tot: | MLB (4 yrs) | MLB | 134 | 50 | 3 | 10 | 0 | 0 | 0 | 3 | 0 | 0 | 2 | 12 | 0 | 7 | 0 | 0 | 1 | 10 | 59 | 0 | 10 | .200 | .231 | .200 | .431 | .040 | .000 | .263 | 3.39 | 20.34 | 6.00 | |||||||
| Tot: | NL (4 yrs) | NL | 134 | 50 | 3 | 10 | 0 | 0 | 0 | 3 | 0 | 0 | 2 | 12 | 0 | 7 | 0 | 0 | 1 | 10 | 59 | 0 | 10 | .200 | .231 | .200 | .431 | .040 | .000 | .263 | 3.39 | 20.34 | 6.00 | |||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 52 | 41 | 27 | 49 | 27 | 54 | .463 |