| 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 |
| 1968 | New York Mets | NL | MLB | NYN | 43 | 24 | 4 | 7 | 2.28 | 12 | 12 | 2 | 1 | 0 | 0 | 0 | 79.0 | 66 | 20 | 20 | 5 | 17 | 46 | 4 | 0 | 4 | 1.05 | 7.52 | 0.57 | 1.94 | 5.24 | 2.28 | 2.71 |
| 1969 | New York Mets | NL | MLB | NYN | 43 | 25 | 6 | 7 | 3.47 | 27 | 21 | 4 | 2 | 6 | 3 | 0 | 135.0 | 112 | 57 | 52 | 12 | 44 | 90 | 7 | 0 | 2 | 1.16 | 7.47 | 0.80 | 2.93 | 6.00 | 3.80 | 2.05 |
| 1970 | New York Mets | NL | MLB | NYN | 43 | 26 | 10 | 14 | 3.56 | 32 | 27 | 9 | 3 | 5 | 3 | 2 | 184.1 | 166 | 77 | 73 | 18 | 38 | 111 | 6 | 0 | 2 | 1.11 | 8.10 | 0.88 | 1.86 | 5.42 | 3.76 | 2.92 |
| 1971 | New York Mets | NL | MLB | NYN | 43 | 27 | 2 | 5 | 4.38 | 24 | 10 | 0 | 0 | 14 | 4 | 0 | 90.1 | 78 | 50 | 44 | 10 | 32 | 42 | 6 | 0 | 1 | 1.22 | 7.77 | 1.00 | 3.19 | 4.18 | 4.98 | 1.31 |
| 1972 | New York Mets | NL | MLB | NYN | 43 | 28 | 11 | 8 | 2.80 | 28 | 23 | 4 | 0 | 5 | 3 | 1 | 160.2 | 133 | 54 | 50 | 12 | 38 | 81 | 6 | 0 | 5 | 1.06 | 7.45 | 0.67 | 2.13 | 4.54 | 3.02 | 2.13 |
| 1973 | New York Mets | NL | MLB | NYN | 43 | 29 | 3 | 8 | 5.38 | 23 | 12 | 0 | 0 | 11 | 8 | 1 | 80.1 | 109 | 60 | 48 | 9 | 31 | 38 | 5 | 0 | 3 | 1.74 | 12.21 | 1.01 | 3.47 | 4.26 | 6.72 | 1.23 |
| 1974 | San Diego Padres | NL | MLB | SDN | 36 | 30 | 1 | 4 | 5.62 | 15 | 5 | 1 | 0 | 10 | 2 | 0 | 41.2 | 48 | 30 | 26 | 7 | 13 | 16 | 4 | 1 | 0 | 1.46 | 10.37 | 1.51 | 2.81 | 3.46 | 6.48 | 1.23 |
| Tot: | MLB (7 yrs) | MLB | 37 | 53 | 3.65 | 161 | 110 | 20 | 6 | 23 | 51 | 4 | 771.1 | 712 | 348 | 313 | 73 | 213 | 424 | 38 | 1 | 17 | 1.20 | 8.31 | 0.85 | 2.49 | 4.95 | 4.06 | 1.99 | ||||
| Tot: | NL (7 yrs) | NL | 37 | 53 | 3.65 | 161 | 110 | 20 | 6 | 23 | 51 | 4 | 771.1 | 712 | 348 | 313 | 73 | 213 | 424 | 38 | 1 | 17 | 1.20 | 8.31 | 0.85 | 2.49 | 4.95 | 4.06 | 1.99 | ||||
| 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 |
| 1968 | New York Mets | NL | MLB | NYN | 43 | 24 | P | 12 | 22 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 15 | 0 | 2 | 0 | 0 | 0 | 1 | 25 | 0 | 1 | .045 | .087 | .045 | .132 | .045 | .000 | .143 | 4.00 | 60.00 | 15.00 | 0.00 | |
| 1969 | New York Mets | NL | MLB | NYN | 43 | 25 | P | 27 | 37 | 0 | 5 | 1 | 0 | 0 | 3 | 0 | 1 | 3 | 18 | 0 | 5 | 0 | 0 | 0 | 6 | 45 | 1 | 4 | .135 | .200 | .162 | .362 | .081 | .027 | .263 | 6.67 | 40.00 | 6.00 | 0.00 | |
| 1970 | New York Mets | NL | MLB | NYN | 43 | 26 | P | 32 | 54 | 6 | 8 | 3 | 0 | 0 | 2 | 0 | 0 | 5 | 17 | 0 | 8 | 0 | 0 | 1 | 11 | 67 | 3 | 5 | .148 | .220 | .204 | .424 | .148 | .056 | .216 | 7.46 | 25.37 | 3.40 | 0.00 | |
| 1971 | New York Mets | NL | MLB | NYN | 43 | 27 | P | 24 | 23 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 11 | 0 | 1 | 0 | 0 | 0 | 2 | 25 | 1 | 0 | .043 | .083 | .087 | .170 | .087 | .044 | .083 | 4.00 | 44.00 | 11.00 | 0.00 | |
| 1972 | New York Mets | NL | MLB | NYN | 43 | 28 | P | 28 | 43 | 2 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 3 | 14 | 1 | 10 | 0 | 0 | 0 | 2 | 57 | 0 | 2 | .047 | .128 | .047 | .175 | .070 | .000 | .069 | 5.26 | 24.56 | 4.67 | 0.00 | |
| 1973 | New York Mets | NL | MLB | NYN | 43 | 29 | P | 24 | 15 | 3 | 2 | 1 | 0 | 0 | 2 | 0 | 0 | 6 | 7 | 0 | 2 | 0 | 0 | 0 | 3 | 23 | 1 | 1 | .133 | .381 | .200 | .581 | .467 | .067 | .250 | 26.09 | 30.43 | 1.17 | 0.00 | |
| 1974 | San Diego Padres | NL | MLB | SDN | 36 | 30 | P | 15 | 7 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 2 | 0 | 0 | 0 | 1 | 10 | 0 | 1 | .143 | .250 | .143 | .393 | .143 | .000 | .167 | 10.00 | 10.00 | 1.00 | 0.00 | |
| Tot: | MLB (7 yrs) | MLB | 162 | 201 | 12 | 20 | 6 | 0 | 0 | 9 | 0 | 1 | 20 | 83 | 1 | 30 | 0 | 0 | 1 | 26 | 252 | 6 | 14 | .100 | .185 | .129 | .314 | .124 | .030 | .169 | 7.94 | 32.94 | 4.15 | |||||||
| Tot: | NL (7 yrs) | NL | 162 | 201 | 12 | 20 | 6 | 0 | 0 | 9 | 0 | 1 | 20 | 83 | 1 | 30 | 0 | 0 | 1 | 26 | 252 | 6 | 14 | .100 | .185 | .129 | .314 | .124 | .030 | .169 | 7.94 | 32.94 | 4.15 | |||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 33 | 75 | 54 | 63 | 54 | 59 | .500 |