| 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 |
| 1963 | New York Mets | NL | MLB | NYN | 31 | 21 | 3 | 8 | 3.42 | 58 | 2 | 0 | 0 | 56 | 34 | 4 | 126.1 | 127 | 61 | 48 | 7 | 47 | 48 | 4 | 0 | 5 | 1.38 | 9.05 | 0.50 | 3.35 | 3.42 | 4.35 | 1.02 |
| 1964 | New York Mets | NL | MLB | NYN | 31 | 22 | 5 | 5 | 4.15 | 44 | 1 | 0 | 0 | 43 | 20 | 3 | 78.0 | 79 | 38 | 36 | 6 | 38 | 31 | 3 | 0 | 2 | 1.50 | 9.12 | 0.69 | 4.38 | 3.58 | 4.38 | 0.82 |
| 1965 | New York Mets | NL | MLB | NYN | 31 | 23 | 3 | 5 | 4.60 | 40 | 3 | 0 | 0 | 37 | 17 | 1 | 60.2 | 75 | 43 | 31 | 6 | 28 | 16 | 4 | 0 | 4 | 1.70 | 11.13 | 0.89 | 4.15 | 2.37 | 6.38 | 0.57 |
| 1966 | New York Mets | NL | MLB | NYN | 31 | 24 | 2 | 3 | 4.45 | 29 | 1 | 0 | 0 | 28 | 12 | 0 | 54.2 | 59 | 31 | 27 | 11 | 20 | 27 | 2 | 0 | 1 | 1.45 | 9.71 | 1.81 | 3.29 | 4.45 | 5.10 | 1.35 |
| 1971 | Milwaukee Brewers | AL | MLB | MIL | 29 | 29 | 0 | 0 | 18.00 | 2 | 0 | 0 | 0 | 2 | 1 | 0 | 3.0 | 10 | 6 | 6 | 1 | 2 | 2 | 0 | 0 | 0 | 4.00 | 30.00 | 3.00 | 6.00 | 6.00 | 18.00 | 1.00 |
| Tot: | MLB (5 yrs) | MLB | 13 | 21 | 4.13 | 173 | 7 | 0 | 0 | 84 | 166 | 8 | 322.2 | 350 | 179 | 148 | 31 | 135 | 124 | 13 | 0 | 12 | 1.50 | 9.76 | 0.86 | 3.77 | 3.46 | 4.99 | 0.92 | ||||
| Tot: | AL (1 yrs) | AL | 0 | 0 | 18.00 | 2 | 0 | 0 | 0 | 1 | 2 | 0 | 3.0 | 10 | 6 | 6 | 1 | 2 | 2 | 0 | 0 | 0 | 4.00 | 30.00 | 3.00 | 6.00 | 6.00 | 18.00 | 1.00 | ||||
| Tot: | NL (4 yrs) | NL | 13 | 21 | 4.00 | 171 | 7 | 0 | 0 | 83 | 164 | 8 | 319.2 | 340 | 173 | 142 | 30 | 133 | 122 | 13 | 0 | 12 | 1.48 | 9.57 | 0.84 | 3.74 | 3.43 | 4.87 | 0.92 | ||||
| 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 |
| 1963 | New York Mets | NL | MLB | NYN | 31 | 21 | P | 58 | 30 | 2 | 6 | 1 | 1 | 0 | 3 | 0 | 0 | 0 | 12 | 1 | 0 | 0 | 0 | 0 | 9 | 31 | 2 | 4 | .200 | .226 | .300 | .526 | .100 | .100 | .333 | 0.00 | 38.71 | 0.00 | 0.00 | |
| 1964 | New York Mets | NL | MLB | NYN | 31 | 22 | P | 44 | 14 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 2 | 14 | 0 | 2 | .143 | .143 | .143 | .286 | .000 | .000 | .250 | 0.00 | 42.86 | 0.00 | 0.00 | |
| 1965 | New York Mets | NL | MLB | NYN | 31 | 23 | P | 40 | 9 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 2 | 10 | 1 | 0 | .111 | .200 | .222 | .422 | .222 | .111 | .200 | 10.00 | 40.00 | 4.00 | 0.00 | |
| 1966 | New York Mets | NL | MLB | NYN | 31 | 24 | P | 29 | 9 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 1 | 2 | 9 | 1 | 0 | .111 | .111 | .222 | .333 | .111 | .111 | .167 | 0.00 | 33.33 | 0.00 | 0.00 | |
| Tot: | MLB (4 yrs) | MLB | 171 | 62 | 4 | 10 | 3 | 1 | 0 | 3 | 0 | 0 | 1 | 25 | 1 | 0 | 0 | 0 | 1 | 15 | 64 | 4 | 6 | .161 | .188 | .242 | .429 | .097 | .081 | .270 | 1.56 | 39.06 | 25.00 | |||||||
| Tot: | NL (4 yrs) | NL | 171 | 62 | 4 | 10 | 3 | 1 | 0 | 3 | 0 | 0 | 1 | 25 | 1 | 0 | 0 | 0 | 1 | 15 | 64 | 4 | 6 | .161 | .188 | .242 | .429 | .097 | .081 | .270 | 1.56 | 39.06 | 25.00 | |||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 8 | 30 | 25 | 8 | 25 | 62 | .358 |