| 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 |
| 1963 | Baltimore Orioles | AL | MLB | BAL | 35 | 22 | 0 | 0 | 3.00 | 7 | 0 | 0 | 0 | 7 | 1 | 0 | 9.0 | 8 | 3 | 3 | 0 | 5 | 5 | 0 | 0 | 0 | 1.44 | 8.00 | 0.00 | 5.00 | 5.00 | 3.00 | 1.00 |
| 1964 | Washington Senators II | AL | MLB | WS2 | 34 | 23 | 9 | 15 | 4.30 | 38 | 32 | 7 | 2 | 6 | 3 | 0 | 199.0 | 195 | 104 | 95 | 31 | 73 | 121 | 7 | 1 | 5 | 1.35 | 8.82 | 1.40 | 3.30 | 5.47 | 4.70 | 1.66 |
| 1965 | Washington Senators II | AL | MLB | WS2 | 20 | 24 | 4 | 12 | 4.46 | 46 | 24 | 2 | 0 | 22 | 1 | 0 | 173.2 | 176 | 98 | 86 | 16 | 91 | 86 | 4 | 0 | 7 | 1.54 | 9.12 | 0.83 | 4.72 | 4.46 | 5.08 | 0.95 |
| 1966 | Washington Senators II | AL | MLB | WS2 | 20 | 25 | 0 | 0 | 21.60 | 3 | 0 | 0 | 0 | 3 | 1 | 0 | 3.1 | 11 | 9 | 8 | 2 | 4 | 0 | 0 | 0 | 0 | 4.50 | 29.70 | 5.40 | 10.80 | 0.00 | 24.30 | 0.00 |
| 1967 | Washington Senators II | AL | MLB | WS2 | 20 | 26 | 1 | 0 | 3.09 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 11.2 | 8 | 4 | 4 | 1 | 4 | 8 | 0 | 0 | 0 | 1.03 | 6.17 | 0.77 | 3.09 | 6.17 | 3.09 | 2.00 |
| Tot: | MLB (5 yrs) | MLB | 14 | 27 | 4.45 | 96 | 58 | 9 | 2 | 6 | 38 | 0 | 396.2 | 398 | 218 | 196 | 50 | 177 | 220 | 11 | 1 | 12 | 1.45 | 9.03 | 1.13 | 4.02 | 4.99 | 4.95 | 1.24 | ||||
| Tot: | AL (5 yrs) | AL | 14 | 27 | 4.45 | 96 | 58 | 9 | 2 | 6 | 38 | 0 | 396.2 | 398 | 218 | 196 | 50 | 177 | 220 | 11 | 1 | 12 | 1.45 | 9.03 | 1.13 | 4.02 | 4.99 | 4.95 | 1.24 | ||||
| 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 |
| 1963 | Baltimore Orioles | AL | MLB | BAL | 35 | 22 | P | 7 | 1 | 1 | 1 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 1 | 1 | 0 | 1.000 | 1.000 | 4.000 | 5.000 | 3.000 | 3.000 | .000 | 0.00 | 0.00 | 0.00 | 1.00 | |
| 1964 | Washington Senators II | AL | MLB | WS2 | 34 | 23 | P | 38 | 66 | 1 | 4 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 40 | 0 | 5 | 0 | 0 | 0 | 7 | 71 | 1 | 3 | .061 | .061 | .106 | .167 | .045 | .045 | .120 | 0.00 | 56.34 | 0.00 | 66.00 | |
| 1965 | Washington Senators II | AL | MLB | WS2 | 20 | 24 | P | 46 | 46 | 1 | 2 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 27 | 2 | 6 | 0 | 0 | 0 | 5 | 54 | 1 | 1 | .043 | .083 | .109 | .192 | .065 | .066 | .056 | 0.00 | 50.00 | 0.00 | 46.00 | |
| 1967 | Washington Senators II | AL | MLB | WS2 | 20 | 26 | P | 2 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 60.00 | 0.00 | 0.00 | |
| Tot: | MLB (4 yrs) | MLB | 93 | 118 | 3 | 7 | 0 | 0 | 3 | 5 | 0 | 0 | 0 | 70 | 2 | 11 | 0 | 0 | 0 | 16 | 131 | 3 | 4 | .059 | .075 | .136 | .211 | .076 | .076 | .089 | 0.00 | 53.44 | 39.33 | |||||||
| Tot: | AL (4 yrs) | AL | 93 | 118 | 3 | 7 | 0 | 0 | 3 | 5 | 0 | 0 | 0 | 70 | 2 | 11 | 0 | 0 | 0 | 16 | 131 | 3 | 4 | .059 | .075 | .136 | .211 | .076 | .076 | .089 | 0.00 | 53.44 | 39.33 | |||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 32 | 28 | 38 | 22 | 38 | 43 | .453 |