| 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 |
| 1964 | Philadelphia Phillies | NL | MLB | PHI | 55 | 22 | 0 | 0 | 3.00 | 2 | 0 | 0 | 0 | 2 | 1 | 0 | 3.0 | 3 | 1 | 1 | 0 | 2 | 2 | 0 | 0 | 0 | 1.67 | 9.00 | 0.00 | 6.00 | 6.00 | 3.00 | 1.00 |
| 1964 | New York Mets | NL | MLB | NYN | 25 | 22 | 0 | 1 | 4.15 | 8 | 2 | 0 | 0 | 6 | 4 | 0 | 21.2 | 19 | 11 | 10 | 1 | 15 | 24 | 2 | 4 | 1 | 1.57 | 7.89 | 0.42 | 6.23 | 9.97 | 4.57 | 1.60 |
| 1965 | New York Mets | NL | MLB | NYN | 25 | 23 | 6 | 6 | 4.45 | 32 | 11 | 1 | 0 | 21 | 11 | 1 | 87.0 | 83 | 48 | 43 | 12 | 41 | 62 | 1 | 1 | 6 | 1.43 | 8.59 | 1.24 | 4.24 | 6.41 | 4.97 | 1.51 |
| 1966 | Houston Astros | NL | MLB | HOU | 31 | 24 | 0 | 0 | 3.80 | 10 | 0 | 0 | 0 | 10 | 2 | 0 | 23.2 | 26 | 10 | 10 | 2 | 11 | 22 | 2 | 1 | 0 | 1.56 | 9.89 | 0.76 | 4.18 | 8.37 | 3.80 | 2.00 |
| 1969 | Cleveland Indians | AL | MLB | CLE | 37 | 27 | 0 | 0 | 4.13 | 19 | 0 | 0 | 0 | 19 | 7 | 0 | 24.0 | 16 | 14 | 11 | 3 | 22 | 28 | 1 | 1 | 0 | 1.58 | 6.00 | 1.13 | 8.25 | 10.50 | 5.25 | 1.27 |
| Tot: | MLB (4 yrs) | MLB | 6 | 7 | 4.24 | 71 | 13 | 1 | 0 | 25 | 58 | 1 | 159.1 | 147 | 84 | 75 | 18 | 91 | 138 | 6 | 7 | 7 | 1.49 | 8.30 | 1.02 | 5.14 | 7.79 | 4.74 | 1.52 | ||||
| Tot: | AL (1 yrs) | AL | 0 | 0 | 4.12 | 19 | 0 | 0 | 0 | 7 | 19 | 0 | 24.0 | 16 | 14 | 11 | 3 | 22 | 28 | 1 | 1 | 0 | 1.58 | 6.00 | 1.12 | 8.25 | 10.50 | 5.25 | 1.27 | ||||
| Tot: | NL (3 yrs) | NL | 6 | 7 | 4.26 | 52 | 13 | 1 | 0 | 18 | 39 | 1 | 135.1 | 131 | 70 | 64 | 15 | 69 | 110 | 5 | 6 | 7 | 1.48 | 8.71 | 1.00 | 4.59 | 7.32 | 4.66 | 1.59 | ||||
| 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 |
| 1964 | New York Mets | NL | MLB | NYN | 25 | 22 | P | 8 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 3 | 0 | 1 | .333 | .333 | .333 | .666 | .000 | .000 | .500 | 0.00 | 33.33 | 0.00 | 0.00 | |
| 1965 | New York Mets | NL | MLB | NYN | 25 | 23 | P | 32 | 26 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 3 | 0 | 0 | 0 | 4 | 29 | 1 | 2 | .115 | .115 | .154 | .269 | .038 | .039 | .176 | 0.00 | 31.03 | 0.00 | 0.00 | |
| 1966 | Houston Astros | NL | MLB | HOU | 31 | 24 | P | 10 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 66.67 | 0.00 | 0.00 | |
| Tot: | MLB (3 yrs) | MLB | 50 | 32 | 3 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 3 | 0 | 0 | 1 | 5 | 35 | 1 | 3 | .125 | .125 | .156 | .281 | .031 | .031 | .200 | 0.00 | 34.29 | ||||||||
| Tot: | NL (3 yrs) | NL | 50 | 32 | 3 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 3 | 0 | 0 | 1 | 5 | 35 | 1 | 3 | .125 | .125 | .156 | .281 | .031 | .031 | .200 | 0.00 | 34.29 | ||||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 90 | 10 | 57 | 37 | 57 | 33 | .407 |