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Ken Holtzman played 15 major-league seasons (1965-1979) as a P (451). Career totals and every year-by-year line below come from the SABR/Lahman database (CC BY-SA), covering 1871-2025.
Showing 11 season lines
| Year | Age | Team | G | AB | R | H | HR | RBI | SB | BB | SO | AVG | OPS | OPS+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1966 | 21 | CHN | 34 | 73 | 2 | 9 | 0 | 2 | 0 | 1 | 25 | .123 | .272 | -21 |
| 1967 | 22 | CHN | 12 | 35 | 4 | 7 | 0 | 2 | 0 | 0 | 11 | .200 | .429 | 27 |
| 1968 | 23 | CHN | 35 | 80 | 4 | 10 | 0 | 5 | 0 | 1 | 26 | .125 | .273 | -15 |
| 1969 | 24 | CHN | 39 | 100 | 5 | 15 | 1 | 7 | 0 | 2 | 32 | .150 | .377 | 9 |
| 1970 | 25 | CHN | 40 | 105 | 6 | 21 | 0 | 6 | 0 | 5 | 22 | .200 | .484 | 35 |
| 1971 | 26 | CHN | 30 | 69 | 4 | 9 | 1 | 5 | 0 | 3 | 15 | .130 | .367 | 7 |
| 1972 | 27 | OAK | 40 | 90 | 6 | 16 | 0 | 6 | 0 | 1 | 25 | .178 | .409 | 26 |
| 1973 | 28 | OAK | 41 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | — | — | — |
| 1975 | 30 | OAK | 39 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | -100 |
| 1978 | 33 | CHN | 23 | 10 | 2 | 2 | 0 | 0 | 0 | 1 | 5 | .200 | .573 | 66 |
| 1979 | 34 | CHN | 24 | 43 | 2 | 10 | 0 | 1 | 0 | 2 | 9 | .233 | .569 | 61 |
| Year | Age | Team | G | GS | W | L | SV | IP | SO | BB | ERA | ERA+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1965 | 20 | CHN | 3 | 0 | 0 | 0 | 0 | 4 | 3 | 3 | 2.25 | 157 |
| 1966 | 21 | CHN | 34 | 33 | 11 | 16 | 0 | 220.2 | 171 | 68 | 3.79 | 95 |
| 1967 | 22 | CHN | 12 | 12 | 9 | 0 | 0 | 92.2 | 62 | 44 | 2.53 | 134 |
| 1968 | 23 | CHN | 34 | 32 | 11 | 14 | 1 | 215 | 151 | 76 | 3.35 | 89 |
| 1969 | 24 | CHN | 39 | 39 | 17 | 13 | 0 | 261.1 | 176 | 93 | 3.58 | 100 |
| 1970 | 25 | CHN | 39 | 38 | 17 | 11 | 0 | 287.2 | 202 | 94 | 3.38 | 120 |
| 1971 | 26 | CHN | 30 | 29 | 9 | 15 | 0 | 195 | 143 | 64 | 4.48 | 77 |
| 1972 | 27 | OAK | 39 | 37 | 19 | 11 | 0 | 265.1 | 134 | 52 | 2.51 | 122 |
| 1973 | 28 | OAK | 40 | 40 | 21 | 13 | 0 | 297.1 | 157 | 66 | 2.97 | 129 |
| 1974 | 29 | OAK | 39 | 38 | 19 | 17 | 0 | 255.1 | 117 | 51 | 3.07 | 118 |
| 1975 | 30 | OAK | 39 | 38 | 18 | 14 | 0 | 266.1 | 122 | 108 | 3.14 | 120 |
| 1976 | 31 | BAL|NYA | 34 | 34 | 14 | 11 | 0 | 246.2 | 66 | 70 | 3.65 | 96 |
| 1977 | 32 | NYA | 18 | 11 | 2 | 3 | 0 | 71.2 | 14 | 24 | 5.78 | 70 |
| 1978 | 33 | NYA | 5 | 3 | 1 | 0 | 0 | 17.2 | 3 | 9 | 4.08 | 92 |
| 1978 | 33 | CHN | 23 | 6 | 0 | 3 | 2 | 53 | 36 | 35 | 6.11 | 58 |
| 1979 | 34 | CHN | 23 | 20 | 6 | 9 | 0 | 117.2 | 44 | 53 | 4.59 | 81 |
| Year | Pos | G | GS | PO | A | E | DP |
|---|---|---|---|---|---|---|---|
| 1965 | P | 3 | 0 | 0 | 1 | 0 | 0 |
| 1966 | P | 34 | 33 | 12 | 24 | 4 | 2 |
| 1967 | P | 12 | 12 | 4 | 17 | 0 | 0 |
| 1968 | P | 34 | 32 | 2 | 42 | 1 | 3 |
| 1969 | P | 39 | 39 | 6 | 40 | 3 | 2 |
| 1970 | P | 39 | 38 | 11 | 44 | 2 | 1 |
| 1971 | P | 30 | 29 | 6 | 28 | 3 | 2 |
| 1972 | P | 39 | 37 | 7 | 47 | 1 | 4 |
| 1973 | P | 40 | 40 | 15 | 42 | 5 | 2 |
| 1974 | P | 39 | 38 | 5 | 43 | 1 | 2 |
| 1975 | P | 39 | 38 | 11 | 58 | 1 | 3 |
| 1976 | P | 34 | 34 | 19 | 42 | 3 | 4 |
| 1977 | P | 18 | 11 | 8 | 21 | 1 | 1 |
| 1978 | P | 28 | 9 | 3 | 11 | 0 | 1 |
| 1979 | P | 23 | 20 | 8 | 11 | 1 | 0 |
Team codes are the source codes (e.g. NYN for the New York Mets, BS1 for the 1875 Boston club). OPS+ is league-season normalized, not park-adjusted; unrecorded source values (such as RBI in the earliest recorded seasons) are absent, never zero-filled.
Ken Holtzman won: TSN All-Star 1973 (AL).
Every career total and season line is computed from the SABR / Sean Lahman baseball database (2025 edition, CC BY-SA 3.0), the same source behind our historical position leaderboards. Rate stats use league-season normalization only (OPS+ and ERA+ as marked, never park-adjusted); unrecorded early-era values stay absent rather than being invented. Career totals sum only what the source records.
Award winners and MVP / Cy Young / Rookie of the Year voting history come from the same database; the year pages live under MLB award voting history. Official transactions (2011 to the current season) come from the MLB StatsAPI feed on our transactions archive.