| 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 |
| 1965 | Cleveland Indians | AL | MLB | CLE | 41 | 18 | 0 | 0 | 5.06 | 6 | 0 | 0 | 0 | 6 | 1 | 0 | 5.1 | 6 | 4 | 3 | 0 | 5 | 4 | 1 | 0 | 0 | 2.06 | 10.13 | 0.00 | 8.44 | 6.75 | 6.75 | 0.80 |
| 1968 | Cleveland Indians | AL | MLB | CLE | 36 | 21 | 0 | 0 | 10.80 | 3 | 0 | 0 | 0 | 3 | 1 | 0 | 1.2 | 6 | 2 | 2 | 0 | 2 | 0 | 0 | 0 | 1 | 4.80 | 32.40 | 0.00 | 10.80 | 0.00 | 10.80 | 0.00 |
| 1969 | Kansas City Royals | AL | MLB | KCA | 32 | 22 | 3 | 6 | 3.24 | 34 | 16 | 1 | 0 | 18 | 8 | 2 | 125.0 | 123 | 53 | 45 | 8 | 40 | 74 | 0 | 0 | 1 | 1.30 | 8.86 | 0.58 | 2.88 | 5.33 | 3.82 | 1.85 |
| 1970 | Kansas City Royals | AL | MLB | KCA | 32 | 23 | 2 | 3 | 7.20 | 9 | 0 | 0 | 0 | 9 | 3 | 0 | 15.0 | 18 | 13 | 12 | 6 | 7 | 5 | 1 | 0 | 0 | 1.67 | 10.80 | 3.60 | 4.20 | 3.00 | 7.80 | 0.71 |
| 1971 | Kansas City Royals | AL | MLB | KCA | 32 | 24 | 15 | 8 | 2.71 | 32 | 30 | 7 | 1 | 2 | 1 | 0 | 205.2 | 168 | 68 | 62 | 15 | 72 | 76 | 2 | 0 | 1 | 1.17 | 7.35 | 0.66 | 3.15 | 3.33 | 2.98 | 1.06 |
| 1972 | Kansas City Royals | AL | MLB | KCA | 32 | 25 | 5 | 7 | 4.78 | 29 | 16 | 1 | 0 | 13 | 4 | 0 | 113.0 | 119 | 67 | 60 | 10 | 41 | 52 | 2 | 1 | 4 | 1.42 | 9.48 | 0.80 | 3.27 | 4.14 | 5.34 | 1.27 |
| Tot: | MLB (6 yrs) | MLB | 25 | 24 | 3.56 | 113 | 62 | 9 | 1 | 18 | 51 | 2 | 465.2 | 440 | 207 | 184 | 39 | 167 | 211 | 6 | 1 | 7 | 1.30 | 8.50 | 0.75 | 3.23 | 4.08 | 4.00 | 1.26 | ||||
| Tot: | AL (6 yrs) | AL | 25 | 24 | 3.56 | 113 | 62 | 9 | 1 | 18 | 51 | 2 | 465.2 | 440 | 207 | 184 | 39 | 167 | 211 | 6 | 1 | 7 | 1.30 | 8.50 | 0.75 | 3.23 | 4.08 | 4.00 | 1.26 | ||||
| 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 |
| 1965 | Cleveland Indians | AL | MLB | CLE | 41 | 18 | P | 6 | 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 | |
| 1969 | Kansas City Royals | AL | MLB | KCA | 32 | 22 | P | 34 | 33 | 2 | 5 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 15 | 0 | 1 | 0 | 0 | 0 | 5 | 35 | 0 | 5 | .152 | .176 | .152 | .328 | .061 | .000 | .278 | 2.86 | 42.86 | 15.00 | 0.00 | |
| 1970 | Kansas City Royals | AL | MLB | KCA | 32 | 23 | P | 9 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 80.00 | 0.00 | 0.00 | |
| 1971 | Kansas City Royals | AL | MLB | KCA | 32 | 24 | P | 32 | 68 | 2 | 6 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 26 | 0 | 5 | 0 | 0 | 1 | 6 | 75 | 0 | 6 | .088 | .114 | .088 | .202 | .029 | .000 | .143 | 2.67 | 34.67 | 13.00 | 0.00 | |
| 1972 | Kansas City Royals | AL | MLB | KCA | 32 | 25 | P | 29 | 32 | 1 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 3 | 0 | 0 | 0 | 6 | 35 | 0 | 6 | .188 | .188 | .188 | .376 | .000 | .000 | .400 | 0.00 | 48.57 | 0.00 | 0.00 | |
| Tot: | MLB (5 yrs) | MLB | 110 | 138 | 5 | 17 | 0 | 0 | 0 | 3 | 1 | 0 | 3 | 63 | 0 | 10 | 0 | 0 | 1 | 17 | 151 | 0 | 17 | .123 | .142 | .123 | .265 | .029 | .000 | .227 | 1.99 | 41.72 | 21.00 | |||||||
| Tot: | AL (5 yrs) | AL | 110 | 138 | 5 | 17 | 0 | 0 | 0 | 3 | 1 | 0 | 3 | 63 | 0 | 10 | 0 | 0 | 1 | 17 | 151 | 0 | 17 | .123 | .142 | .123 | .265 | .029 | .000 | .227 | 1.99 | 41.72 | 21.00 | |||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 18 | 57 | 38 | 31 | 38 | 45 | .486 |