| 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 |
| 1962 | Chicago Cubs | NL | MLB | CHN | 34 | 21 | 10 | 10 | 3.97 | 35 | 30 | 3 | 1 | 5 | 3 | 0 | 190.2 | 200 | 93 | 84 | 17 | 86 | 84 | 2 | 2 | 7 | 1.50 | 9.44 | 0.80 | 4.06 | 3.97 | 4.39 | 0.98 |
| 1963 | Chicago Cubs | NL | MLB | CHN | 34 | 22 | 2 | 6 | 4.58 | 21 | 13 | 0 | 0 | 8 | 3 | 0 | 72.2 | 75 | 43 | 37 | 9 | 32 | 44 | 1 | 0 | 2 | 1.47 | 9.29 | 1.11 | 3.96 | 5.45 | 5.33 | 1.38 |
| 1964 | Chicago Cubs | NL | MLB | CHN | 34 | 23 | 3 | 0 | 2.03 | 6 | 2 | 0 | 0 | 4 | 2 | 0 | 31.0 | 30 | 8 | 7 | 1 | 7 | 17 | 0 | 0 | 0 | 1.19 | 8.71 | 0.29 | 2.03 | 4.94 | 2.32 | 2.43 |
| 1965 | Chicago Cubs | NL | MLB | CHN | 34 | 24 | 7 | 9 | 3.69 | 38 | 23 | 3 | 1 | 15 | 2 | 0 | 173.0 | 181 | 83 | 71 | 17 | 52 | 88 | 2 | 1 | 6 | 1.35 | 9.42 | 0.88 | 2.71 | 4.58 | 4.32 | 1.69 |
| 1966 | Chicago Cubs | NL | MLB | CHN | 34 | 25 | 5 | 5 | 3.81 | 45 | 5 | 0 | 0 | 40 | 14 | 2 | 108.2 | 113 | 57 | 46 | 13 | 35 | 65 | 2 | 0 | 1 | 1.36 | 9.36 | 1.08 | 2.90 | 5.38 | 4.72 | 1.86 |
| 1967 | Chicago Cubs | NL | MLB | CHN | 34 | 26 | 2 | 2 | 4.59 | 34 | 0 | 0 | 0 | 34 | 11 | 2 | 51.0 | 52 | 27 | 26 | 2 | 21 | 28 | 2 | 0 | 1 | 1.43 | 9.18 | 0.35 | 3.71 | 4.94 | 4.76 | 1.33 |
| 1967 | New York Mets | NL | MLB | NYN | 34 | 26 | 3 | 3 | 2.80 | 11 | 6 | 2 | 1 | 5 | 1 | 0 | 45.0 | 45 | 16 | 14 | 2 | 7 | 24 | 0 | 0 | 0 | 1.16 | 9.00 | 0.40 | 1.40 | 4.80 | 3.20 | 3.43 |
| 1968 | New York Mets | NL | MLB | NYN | 34 | 27 | 6 | 4 | 2.41 | 55 | 2 | 0 | 0 | 53 | 31 | 11 | 97.0 | 80 | 27 | 26 | 4 | 32 | 50 | 4 | 0 | 1 | 1.15 | 7.42 | 0.37 | 2.97 | 4.64 | 2.51 | 1.56 |
| 1969 | New York Mets | NL | MLB | NYN | 34 | 28 | 6 | 3 | 4.99 | 40 | 0 | 0 | 0 | 40 | 19 | 7 | 83.0 | 85 | 53 | 46 | 8 | 42 | 48 | 4 | 1 | 3 | 1.53 | 9.22 | 0.87 | 4.55 | 5.20 | 5.75 | 1.14 |
| 1970 | New York Mets | NL | MLB | NYN | 34 | 29 | 0 | 2 | 3.27 | 13 | 0 | 0 | 0 | 13 | 8 | 0 | 22.0 | 25 | 9 | 8 | 2 | 14 | 10 | 0 | 0 | 1 | 1.77 | 10.23 | 0.82 | 5.73 | 4.09 | 3.68 | 0.71 |
| 1970 | Boston Red Sox | AL | MLB | BOS | 17 | 29 | 3 | 4 | 3.54 | 23 | 8 | 1 | 0 | 15 | 6 | 2 | 76.1 | 64 | 32 | 30 | 7 | 29 | 37 | 3 | 0 | 3 | 1.22 | 7.55 | 0.83 | 3.42 | 4.36 | 3.77 | 1.28 |
| 1971 | Boston Red Sox | AL | MLB | BOS | 17 | 30 | 0 | 1 | 5.57 | 13 | 1 | 0 | 0 | 12 | 6 | 0 | 21.0 | 22 | 16 | 13 | 3 | 11 | 9 | 0 | 0 | 0 | 1.57 | 9.43 | 1.29 | 4.71 | 3.86 | 6.86 | 0.82 |
| Tot: | MLB (10 yrs) | MLB | 47 | 49 | 3.78 | 334 | 90 | 9 | 3 | 106 | 244 | 24 | 971.1 | 972 | 464 | 408 | 85 | 368 | 504 | 20 | 4 | 25 | 1.38 | 9.01 | 0.79 | 3.41 | 4.67 | 4.30 | 1.37 | ||||
| Tot: | AL (2 yrs) | AL | 3 | 5 | 3.98 | 36 | 9 | 1 | 0 | 12 | 27 | 2 | 97.1 | 86 | 48 | 43 | 10 | 40 | 46 | 3 | 0 | 3 | 1.29 | 7.95 | 0.92 | 3.70 | 4.25 | 4.44 | 1.15 | ||||
| Tot: | NL (9 yrs) | NL | 44 | 44 | 3.76 | 298 | 81 | 8 | 3 | 94 | 217 | 22 | 874.0 | 886 | 416 | 365 | 75 | 328 | 458 | 17 | 4 | 22 | 1.39 | 9.12 | 0.77 | 3.38 | 4.72 | 4.28 | 1.40 | ||||
| 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 |
| 1962 | Chicago Cubs | NL | MLB | CHN | 34 | 21 | P | 35 | 64 | 7 | 6 | 1 | 0 | 0 | 2 | 0 | 0 | 1 | 25 | 0 | 3 | 0 | 0 | 3 | 7 | 68 | 1 | 5 | .094 | .108 | .109 | .217 | .031 | .015 | .154 | 1.47 | 36.76 | 25.00 | 0.00 | |
| 1963 | Chicago Cubs | NL | MLB | CHN | 34 | 22 | P | 21 | 19 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 8 | 1 | 3 | 0 | 0 | 0 | 2 | 24 | 0 | 2 | .105 | .190 | .105 | .295 | .053 | .000 | .182 | 4.17 | 33.33 | 8.00 | 0.00 | |
| 1964 | Chicago Cubs | NL | MLB | CHN | 34 | 23 | P | 6 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 40.00 | 0.00 | 0.00 | |
| 1965 | Chicago Cubs | NL | MLB | CHN | 34 | 24 | P | 38 | 49 | 2 | 5 | 1 | 0 | 0 | 1 | 0 | 0 | 5 | 21 | 1 | 3 | 0 | 0 | 0 | 6 | 58 | 1 | 4 | .102 | .200 | .122 | .322 | .122 | .020 | .179 | 8.62 | 36.21 | 4.20 | 0.00 | |
| 1966 | Chicago Cubs | NL | MLB | CHN | 34 | 25 | P | 45 | 23 | 2 | 3 | 1 | 0 | 0 | 1 | 0 | 0 | 3 | 9 | 0 | 3 | 0 | 0 | 0 | 4 | 29 | 1 | 2 | .130 | .231 | .174 | .405 | .174 | .044 | .214 | 10.34 | 31.03 | 3.00 | 0.00 | |
| 1967 | Chicago Cubs | NL | MLB | CHN | 34 | 26 | P | 34 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 42.86 | 0.00 | 0.00 | |
| 1967 | New York Mets | NL | MLB | NYN | 34 | 26 | P | 13 | 13 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 1 | 0 | 0 | 0 | 2 | 14 | 0 | 2 | .154 | .154 | .154 | .308 | .000 | .000 | .222 | 0.00 | 28.57 | 0.00 | 0.00 | |
| 1968 | New York Mets | NL | MLB | NYN | 34 | 27 | P | 55 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 8 | 0 | 0 | 0 | 0 | 1 | 0 | 16 | 0 | 0 | .000 | .125 | .000 | .125 | .143 | .000 | .000 | 12.50 | 50.00 | 4.00 | 0.00 | |
| 1969 | New York Mets | NL | MLB | NYN | 34 | 28 | P | 40 | 17 | 1 | 4 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 0 | 0 | 4 | 17 | 0 | 4 | .235 | .235 | .235 | .470 | .000 | .000 | .400 | 0.00 | 41.18 | 0.00 | 0.00 | |
| 1970 | New York Mets | NL | MLB | NYN | 34 | 29 | P | 13 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 100.00 | 0.00 | 0.00 | |
| 1970 | Boston Red Sox | AL | MLB | BOS | 17 | 29 | P | 23 | 21 | 5 | 2 | 0 | 0 | 0 | 3 | 0 | 0 | 4 | 8 | 0 | 1 | 1 | 0 | 0 | 2 | 27 | 0 | 2 | .095 | .231 | .095 | .326 | .190 | .000 | .143 | 14.81 | 29.63 | 2.00 | 0.00 | |
| 1971 | Boston Red Sox | AL | MLB | BOS | 17 | 30 | P | 13 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | .000 | .500 | .000 | .500 | 1.000 | .000 | .000 | 50.00 | 50.00 | 1.00 | 0.00 | |
| Tot: | MLB (10 yrs) | MLB | 336 | 239 | 20 | 24 | 3 | 0 | 0 | 8 | 0 | 0 | 17 | 99 | 2 | 14 | 1 | 0 | 4 | 27 | 273 | 3 | 21 | .100 | .166 | .113 | .279 | .084 | .013 | .170 | 6.23 | 36.26 | 5.82 | |||||||
| Tot: | AL (2 yrs) | AL | 36 | 22 | 6 | 2 | 0 | 0 | 0 | 3 | 0 | 0 | 5 | 9 | 0 | 1 | 1 | 0 | 0 | 2 | 29 | 0 | 2 | .091 | .250 | .091 | .341 | .227 | .000 | .143 | 17.24 | 31.03 | 1.80 | |||||||
| Tot: | NL (9 yrs) | NL | 300 | 217 | 14 | 22 | 3 | 0 | 0 | 5 | 0 | 0 | 12 | 90 | 2 | 13 | 0 | 0 | 4 | 25 | 244 | 3 | 19 | .101 | .156 | .115 | .271 | .069 | .014 | .173 | 4.92 | 36.89 | 7.50 | |||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 28 | 47 | 38 | 33 | 38 | 69 | .476 |