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Jack McDowell played 12 major-league seasons (1987-1999) as a P (277). Career totals and every year-by-year line below come from the SABR/Lahman database (CC BY-SA), covering 1871-2025.
Showing 12 season lines
| Year | Age | Team | G | GS | W | L | SV | IP | SO | BB | ERA | ERA+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1987 | 21 | CHA | 4 | 4 | 3 | 0 | 0 | 28 | 15 | 6 | 1.93 | 231 |
| 1988 | 22 | CHA | 26 | 26 | 5 | 10 | 0 | 158.2 | 84 | 68 | 3.97 | 100 |
| 1990 | 24 | CHA | 33 | 33 | 14 | 9 | 0 | 205 | 165 | 77 | 3.82 | 102 |
| 1991 | 25 | CHA | 35 | 35 | 17 | 10 | 0 | 253.2 | 191 | 82 | 3.41 | 120 |
| 1992 | 26 | CHA | 34 | 34 | 20 | 10 | 0 | 260.2 | 178 | 75 | 3.18 | 124 |
| 1993 | 27 | CHA | 34 | 34 | 22 | 10 | 0 | 256.2 | 158 | 69 | 3.37 | 128 |
| 1994 | 28 | CHA | 25 | 25 | 10 | 9 | 0 | 181 | 127 | 42 | 3.73 | 129 |
| 1995 | 29 | NYA | 30 | 30 | 15 | 10 | 0 | 217.2 | 157 | 78 | 3.93 | 120 |
| 1996 | 30 | CLE | 30 | 30 | 13 | 9 | 0 | 192 | 141 | 67 | 5.11 | 98 |
| 1997 | 31 | CLE | 8 | 6 | 3 | 3 | 0 | 40.2 | 38 | 18 | 5.09 | 90 |
| 1998 | 32 | ANA | 14 | 14 | 5 | 3 | 0 | 76 | 45 | 19 | 5.09 | 91 |
| 1999 | 33 | ANA | 4 | 4 | 0 | 4 | 0 | 19 | 12 | 5 | 8.05 | 60 |
| Year | Pos | G | GS | PO | A | E | DP |
|---|---|---|---|---|---|---|---|
| 1987 | P | 4 | 4 | 1 | 6 | 0 | 0 |
| 1988 | P | 26 | 26 | 12 | 16 | 5 | 1 |
| 1990 | P | 33 | 33 | 17 | 20 | 1 | 3 |
| 1991 | P | 35 | 35 | 19 | 32 | 0 | 1 |
| 1992 | P | 34 | 34 | 16 | 27 | 2 | 3 |
| 1993 | P | 34 | 34 | 23 | 43 | 3 | 2 |
| 1994 | P | 25 | 25 | 8 | 23 | 0 | 0 |
| 1995 | P | 30 | 30 | 17 | 27 | 1 | 1 |
| 1996 | P | 30 | 30 | 20 | 27 | 1 | 0 |
| 1997 | P | 8 | 6 | 3 | 6 | 0 | 0 |
| 1998 | P | 14 | 14 | 3 | 12 | 0 | 1 |
| 1999 | P | 4 | 4 | 0 | 6 | 0 | 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.
Jack McDowell won: TSN All-Star 1992 (AL), Cy Young Award 1993 (AL), TSN All-Star 1993 (AL).
MVP, Cy Young and Rookie of the Year voting history (5 ballot finishes, 1 win). Full year pages: 1993, 1992, 1991.
| Year | Award | Lg | Rank | Points | First-place votes |
|---|---|---|---|---|---|
| 1991 | Cy Young Award | AL | 9 | 3 / 140 | 0 |
| 1992 | Cy Young Award | AL | 2 | 51 / 140 | 2 |
| 1992 | Most Valuable Player | AL | 19 | 5 / 392 | 0 |
| 1993 | Cy Young Award (winner) | AL | 1 | 124 / 140 | 21 |
| 1993 | Most Valuable Player | AL | 9 | 51 / 392 | 0 |
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.