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Jon Matlack played 13 major-league seasons (1971-1983) as a P (361). Career totals and every year-by-year line below come from the SABR/Lahman database (CC BY-SA), covering 1871-2025.
Showing 7 season lines
| Year | Age | Team | G | AB | R | H | HR | RBI | SB | BB | SO | AVG | OPS | OPS+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1971 | 21 | NYN | 7 | 11 | 1 | 3 | 0 | 0 | 0 | 1 | 6 | .273 | .606 | 80 |
| 1972 | 22 | NYN | 34 | 78 | 6 | 10 | 0 | 2 | 0 | 10 | 44 | .128 | .368 | 11 |
| 1973 | 23 | NYN | 35 | 65 | 5 | 9 | 0 | 2 | 0 | 13 | 38 | .138 | .421 | 24 |
| 1974 | 24 | NYN | 34 | 79 | 3 | 8 | 0 | 8 | 0 | 5 | 34 | .101 | .254 | -25 |
| 1975 | 25 | NYN | 33 | 70 | 6 | 7 | 0 | 2 | 0 | 13 | 33 | .100 | .341 | 1 |
| 1976 | 26 | NYN | 35 | 88 | 10 | 17 | 0 | 9 | 0 | 8 | 35 | .193 | .473 | 40 |
| 1977 | 27 | NYN | 26 | 50 | 1 | 3 | 0 | 0 | 0 | 7 | 27 | .060 | .255 | -26 |
| Year | Age | Team | G | GS | W | L | SV | IP | SO | BB | ERA | ERA+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1971 | 21 | NYN | 7 | 6 | 0 | 3 | 0 | 37 | 24 | 15 | 4.14 | 84 |
| 1972 | 22 | NYN | 34 | 32 | 15 | 10 | 0 | 244 | 169 | 71 | 2.32 | 149 |
| 1973 | 23 | NYN | 34 | 34 | 14 | 16 | 0 | 242 | 205 | 99 | 3.20 | 114 |
| 1974 | 24 | NYN | 34 | 34 | 13 | 15 | 0 | 265.1 | 195 | 76 | 2.41 | 150 |
| 1975 | 25 | NYN | 33 | 32 | 16 | 12 | 0 | 228.2 | 154 | 58 | 3.38 | 107 |
| 1976 | 26 | NYN | 35 | 35 | 17 | 10 | 0 | 262 | 153 | 57 | 2.95 | 119 |
| 1977 | 27 | NYN | 26 | 26 | 7 | 15 | 0 | 169 | 123 | 43 | 4.21 | 93 |
| 1978 | 28 | TEX | 35 | 33 | 15 | 13 | 1 | 270 | 157 | 51 | 2.27 | 166 |
| 1979 | 29 | TEX | 13 | 13 | 5 | 4 | 0 | 85 | 35 | 15 | 4.13 | 102 |
| 1980 | 30 | TEX | 35 | 34 | 10 | 10 | 1 | 234.2 | 142 | 48 | 3.68 | 110 |
| 1981 | 31 | TEX | 17 | 16 | 4 | 7 | 0 | 104.1 | 43 | 41 | 4.14 | 88 |
| 1982 | 32 | TEX | 33 | 14 | 7 | 7 | 1 | 147.2 | 78 | 37 | 3.53 | 115 |
| 1983 | 33 | TEX | 25 | 9 | 2 | 4 | 0 | 73.1 | 38 | 27 | 4.66 | 87 |
| Year | Pos | G | GS | PO | A | E | DP |
|---|---|---|---|---|---|---|---|
| 1971 | P | 7 | 6 | 1 | 2 | 0 | 0 |
| 1972 | P | 34 | 32 | 8 | 33 | 1 | 1 |
| 1973 | P | 34 | 34 | 4 | 40 | 1 | 3 |
| 1974 | P | 34 | 34 | 5 | 40 | 0 | 1 |
| 1975 | P | 33 | 32 | 3 | 28 | 3 | 1 |
| 1976 | P | 35 | 35 | 10 | 35 | 1 | 0 |
| 1977 | P | 26 | 26 | 4 | 27 | 1 | 1 |
| 1978 | P | 35 | 33 | 17 | 42 | 5 | 2 |
| 1979 | P | 13 | 13 | 3 | 16 | 2 | 1 |
| 1980 | P | 35 | 34 | 5 | 25 | 4 | 0 |
| 1981 | P | 17 | 16 | 2 | 20 | 2 | 0 |
| 1982 | P | 33 | 14 | 4 | 24 | 0 | 1 |
| 1983 | P | 25 | 9 | 2 | 14 | 1 | 3 |
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.
Jon Matlack won: Rookie of the Year 1972 (NL).
MVP, Cy Young and Rookie of the Year voting history (2 ballot finishes, 1 win). Full year pages: 1976, 1972.
| Year | Award | Lg | Rank | Points | First-place votes |
|---|---|---|---|---|---|
| 1972 | Rookie of the Year (winner) | NL | 1 | 19 / 24 | 19 |
| 1976 | Cy Young Award | NL | 6 | 5 / 120 | 1 |
Jon Matlack ranks on 1 all-time single-season position leaderboard (1871-2025, league-season-normalized OPS+ / ERA+).
| Rank | Board | Year | Stat |
|---|---|---|---|
| #153 | starting pitchers | 1978 | 166 ERA+ |
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.