Jack Aker was a pitcher in MLB. Across 495 career appearances, with a 3.28 ERA and 404 strikeouts. This page covers season stats, team history, and career profile.
Season-by-season performance, contract terms, and the complete archive.
| Year | Team | W | L | ERA | G | GS | SV | IP | H | ER | BB | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1964 | KC1 | 0 | 1 | 8.82 | 9 | 0 | 0 | 16.1 | 17 | 16 | 10 | 7 | 1.65 |
| 1965 | KC1 | 4 | 3 | 3.16 | 34 | 0 | 3 | 51.1 | 45 | 18 | 18 | 26 | 1.23 |
| 1966 | KC1 | 8 | 4 | 1.99 | 66 | 0 | 32 | 113.0 | 81 | 25 | 28 | 68 | 0.96 |
| 1967 | KC1 | 3 | 8 | 4.30 | 57 | 0 | 12 | 88.0 | 87 | 42 | 32 | 65 | 1.35 |
| 1968 | OAK | 4 | 4 | 4.10 | 54 | 0 | 11 | 74.2 | 72 | 34 | 33 | 44 | 1.41 |
| 1969 | NYY | 8 | 4 | 2.06 | 38 | 0 | 11 | 65.2 | 51 | 15 | 22 | 40 | 1.11 |
| 1969 | SE1 | 0 | 2 | 7.56 | 15 | 0 | 3 | 16.2 | 25 | 14 | 13 | 7 | 2.28 |
| 1970 | NYY | 4 | 2 | 2.06 | 41 | 0 | 16 | 70.0 | 57 | 16 | 20 | 36 | 1.10 |
| 1971 | NYY | 4 | 4 | 2.59 | 41 | 0 | 4 | 55.2 | 48 | 16 | 26 | 24 | 1.33 |
| 1972 | CHC | 6 | 6 | 2.96 | 48 | 0 | 17 | 67.0 | 65 | 22 | 23 | 36 | 1.31 |
| 1972 | NYY | 0 | 0 | 3.00 | 4 | 0 | 0 | 6.0 | 5 | 2 | 3 | 1 | 1.33 |
| 1973 | CHC | 4 | 5 | 4.10 | 47 | 0 | 12 | 63.2 | 76 | 29 | 23 | 25 | 1.55 |
| 1974 | ATL | 0 | 1 | 3.78 | 17 | 0 | 0 | 16.2 | 17 | 7 | 9 | 7 | 1.56 |
| 1974 | NYM | 2 | 1 | 3.48 | 24 | 0 | 2 | 41.1 | 33 | 16 | 14 | 18 | 1.14 |
| Career Totals | — | 47 | 45 | 3.28 | 495 | 0 | 123 | 746.0 | 679 | 272 | 274 | 404 | 1.28 |
| Year | Team | G | AB | R | H | 2B | 3B | HR | RBI | SB | BB | SO | AVG | OBP | SLG | OPS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1964 | KC1 | 10 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | .000 | .000 | .000 | .000 |
| 1965 | KC1 | 34 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | .000 | .000 | .000 | .000 |
| 1966 | KC1 | 66 | 21 | 1 | 2 | 1 | 0 | 0 | 2 | 0 | 0 | 12 | .095 | .095 | .143 | .238 |
| 1967 | KC1 | 57 | 8 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 4 | .125 | .125 | .125 | .250 |
| 1968 | OAK | 54 | 7 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | .143 | .143 | .143 | .286 |
| 1969 | NYY | 38 | 9 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | .111 | .111 | .111 | .222 |
| 1969 | SE1 | 15 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | .000 | .500 | .000 | .500 |
| 1970 | NYY | 41 | 16 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 6 | .063 | .063 | .063 | .125 |
| 1971 | NYY | 41 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | .000 | .000 | .000 | .000 |
| 1972 | CHC | 48 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | .000 | .143 | .000 | .143 |
| 1972 | NYY | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1973 | CHC | 47 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | .000 | .000 | .000 | .000 |
| 1974 | ATL | 17 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 |
| 1974 | NYM | 24 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | .500 | .500 | 1.000 | 1.500 |
| Career Totals | — | 496 | 92 | 3 | 7 | 2 | 0 | 0 | 4 | 0 | 1 | 51 | .076 | .096 | .098 | .194 |