| 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 |
| 1967 | New York Mets | NL | MLB | NYN | 29 | 21 | 1 | 6 | 3.41 | 14 | 11 | 0 | 0 | 3 | 1 | 0 | 74.0 | 68 | 32 | 28 | 6 | 33 | 51 | 1 | 0 | 0 | 1.36 | 8.27 | 0.73 | 4.01 | 6.20 | 3.89 | 1.55 |
| 1968 | New York Mets | NL | MLB | NYN | 29 | 22 | 2 | 4 | 3.91 | 19 | 4 | 0 | 0 | 15 | 10 | 2 | 50.2 | 53 | 23 | 22 | 5 | 17 | 47 | 4 | 0 | 0 | 1.38 | 9.41 | 0.89 | 3.02 | 8.35 | 4.09 | 2.76 |
| 1969 | New York Mets | NL | MLB | NYN | 29 | 23 | 0 | 0 | 7.71 | 3 | 0 | 0 | 0 | 3 | 0 | 0 | 4.2 | 8 | 4 | 4 | 1 | 3 | 5 | 1 | 0 | 0 | 2.36 | 15.43 | 1.93 | 5.79 | 9.64 | 7.71 | 1.67 |
| 1970 | New York Mets | NL | MLB | NYN | 34 | 24 | 8 | 3 | 3.02 | 30 | 1 | 0 | 0 | 29 | 8 | 1 | 65.2 | 49 | 23 | 22 | 4 | 34 | 54 | 3 | 0 | 0 | 1.26 | 6.72 | 0.55 | 4.66 | 7.40 | 3.15 | 1.59 |
| 1971 | New York Mets | NL | MLB | NYN | 34 | 25 | 8 | 5 | 1.99 | 53 | 0 | 0 | 0 | 53 | 42 | 12 | 90.2 | 76 | 28 | 20 | 6 | 30 | 93 | 5 | 1 | 3 | 1.17 | 7.54 | 0.60 | 2.98 | 9.23 | 2.78 | 3.10 |
| 1972 | New York Mets | NL | MLB | NYN | 34 | 26 | 5 | 8 | 3.34 | 39 | 0 | 0 | 0 | 39 | 31 | 9 | 67.1 | 63 | 31 | 25 | 8 | 20 | 46 | 6 | 0 | 0 | 1.23 | 8.42 | 1.07 | 2.67 | 6.15 | 4.14 | 2.30 |
| 1973 | Atlanta Braves | NL | MLB | ATL | 25,34 | 27 | 1 | 2 | 4.20 | 42 | 0 | 0 | 0 | 42 | 24 | 8 | 45.0 | 40 | 27 | 21 | 5 | 23 | 27 | 2 | 1 | 1 | 1.40 | 8.00 | 1.00 | 4.60 | 5.40 | 5.40 | 1.17 |
| 1974 | Atlanta Braves | NL | MLB | ATL | 34 | 28 | 3 | 4 | 5.18 | 36 | 1 | 0 | 0 | 35 | 26 | 6 | 41.2 | 37 | 26 | 24 | 4 | 28 | 27 | 1 | 0 | 0 | 1.56 | 7.99 | 0.86 | 6.05 | 5.83 | 5.62 | 0.96 |
| 1975 | San Diego Padres | NL | MLB | SDN | 34 | 29 | 1 | 6 | 3.13 | 65 | 0 | 0 | 0 | 65 | 39 | 9 | 97.2 | 86 | 36 | 34 | 7 | 51 | 67 | 6 | 1 | 2 | 1.40 | 7.92 | 0.65 | 4.70 | 6.17 | 3.32 | 1.31 |
| 1976 | St. Louis Cardinals | NL | MLB | SLN | 34 | 30 | 0 | 0 | 3.97 | 18 | 0 | 0 | 0 | 18 | 10 | 1 | 22.2 | 19 | 10 | 10 | 3 | 13 | 11 | 2 | 0 | 0 | 1.41 | 7.54 | 1.19 | 5.16 | 4.37 | 3.97 | 0.85 |
| 1976 | Milwaukee Brewers | AL | MLB | MIL | 42 | 30 | 5 | 2 | 2.74 | 32 | 0 | 0 | 0 | 32 | 24 | 9 | 49.1 | 30 | 16 | 15 | 4 | 34 | 43 | 7 | 0 | 1 | 1.30 | 5.47 | 0.73 | 6.20 | 7.84 | 2.92 | 1.26 |
| Tot: | MLB (10 yrs) | MLB | 34 | 40 | 3.32 | 351 | 17 | 0 | 0 | 215 | 334 | 57 | 609.1 | 529 | 256 | 225 | 53 | 286 | 471 | 38 | 3 | 7 | 1.34 | 7.81 | 0.78 | 4.22 | 6.96 | 3.78 | 1.65 | ||||
| Tot: | AL (1 yrs) | AL | 5 | 2 | 2.74 | 32 | 0 | 0 | 0 | 24 | 32 | 9 | 49.1 | 30 | 16 | 15 | 4 | 34 | 43 | 7 | 0 | 1 | 1.30 | 5.47 | 0.73 | 6.20 | 7.84 | 2.92 | 1.26 | ||||
| Tot: | NL (10 yrs) | NL | 29 | 38 | 3.38 | 319 | 17 | 0 | 0 | 191 | 302 | 48 | 560.0 | 499 | 240 | 210 | 49 | 252 | 428 | 31 | 3 | 6 | 1.34 | 8.02 | 0.79 | 4.05 | 6.88 | 3.86 | 1.70 | ||||
| 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 |
| 1967 | New York Mets | NL | MLB | NYN | 29 | 21 | P | 14 | 23 | 1 | 2 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 8 | 0 | 0 | 0 | 0 | 1 | 3 | 24 | 1 | 1 | .087 | .125 | .130 | .255 | .130 | .043 | .133 | 4.17 | 33.33 | 8.00 | 0.00 | |
| 1968 | New York Mets | NL | MLB | NYN | 29 | 22 | P | 19 | 12 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 7 | 0 | 0 | 0 | 0 | 1 | 1 | 12 | 0 | 1 | .083 | .083 | .083 | .166 | .083 | .000 | .200 | 0.00 | 58.33 | 0.00 | 0.00 | |
| 1969 | New York Mets | NL | MLB | NYN | 29 | 23 | P | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 0.00 | 0.00 | 0.00 | |
| 1970 | New York Mets | NL | MLB | NYN | 34 | 24 | P | 30 | 13 | 0 | 4 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 4 | 0 | 1 | 0 | 0 | 0 | 4 | 15 | 0 | 4 | .308 | .357 | .308 | .665 | .077 | .000 | .444 | 6.67 | 26.67 | 4.00 | 0.00 | |
| 1971 | New York Mets | NL | MLB | NYN | 34 | 25 | P | 53 | 13 | 1 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 2 | 0 | 1 | 0 | 0 | 0 | 3 | 15 | 0 | 3 | .231 | .286 | .231 | .517 | .077 | .000 | .273 | 6.67 | 13.33 | 2.00 | 0.00 | |
| 1972 | New York Mets | NL | MLB | NYN | 34 | 26 | P | 39 | 7 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 7 | 0 | 2 | .286 | .286 | .286 | .572 | .000 | .000 | .333 | 0.00 | 14.29 | 0.00 | 0.00 | |
| 1973 | Atlanta Braves | NL | MLB | ATL | 25,34 | 27 | P | 42 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 1 | .500 | .500 | .500 | 1.000 | .000 | .000 | 1.000 | 0.00 | 50.00 | 0.00 | 0.00 | |
| 1974 | Atlanta Braves | NL | MLB | ATL | 34 | 28 | P | 36 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | .000 | .500 | .000 | .500 | 1.000 | .000 | .000 | 50.00 | 0.00 | 0.00 | 0.00 | |
| 1975 | San Diego Padres | NL | MLB | SDN | 34 | 29 | P | 65 | 5 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 5 | 0 | 1 | .200 | .200 | .200 | .400 | .000 | .000 | .333 | 0.00 | 40.00 | 0.00 | 0.00 | |
| 1976 | St. Louis Cardinals | NL | MLB | SLN | 34 | 30 | P | 18 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 0.00 | 0.00 | 0.00 | |
| Tot: | MLB (10 yrs) | MLB | 319 | 78 | 3 | 14 | 1 | 0 | 0 | 4 | 2 | 0 | 4 | 25 | 0 | 2 | 0 | 0 | 2 | 15 | 84 | 1 | 13 | .179 | .220 | .192 | .412 | .090 | .013 | .264 | 4.76 | 29.76 | 6.25 | |||||||
| Tot: | NL (10 yrs) | NL | 319 | 78 | 3 | 14 | 1 | 0 | 0 | 4 | 2 | 0 | 4 | 25 | 0 | 2 | 0 | 0 | 2 | 15 | 84 | 1 | 13 | .179 | .220 | .192 | .412 | .090 | .013 | .264 | 4.76 | 29.76 | 6.25 | |||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 80 | 32 | 67 | 52 | 67 | 62 | .483 |