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Dutch Leonard played 11 major-league seasons (1913-1925) as a P (331). 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+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1913 | 21 | BOS | 42 | 83 | 9 | 15 | 0 | 3 | 0 | 8 | 24 | .181 | .478 | 45 |
| 1914 | 22 | BOS | 36 | 68 | 3 | 10 | 0 | 4 | 0 | 4 | 11 | .147 | .356 | 11 |
| 1915 | 23 | BOS | 32 | 53 | 8 | 14 | 0 | 3 | 0 | 9 | 12 | .264 | .702 | 116 |
| 1916 | 24 | BOS | 48 | 85 | 2 | 17 | 0 | 10 | 0 | 6 | 16 | .200 | .488 | 51 |
| 1917 | 25 | BOS | 37 | 104 | 5 | 9 | 0 | 1 | 0 | 7 | 23 | .087 | .260 | -19 |
| 1918 | 26 | BOS | 16 | 43 | 2 | 8 | 0 | 3 | 0 | 6 | 6 | .186 | .472 | 46 |
| 1919 | 27 | DET | 29 | 71 | 2 | 11 | 0 | 4 | 0 | 2 | 8 | .155 | .333 | -3 |
| 1920 | 28 | DET | 28 | 57 | 2 | 12 | 0 | 5 | 0 | 8 | 8 | .211 | .571 | 57 |
| 1921 | 29 | DET | 36 | 82 | 6 | 14 | 0 | 5 | 0 | 5 | 13 | .171 | .401 | 6 |
| 1924 | 32 | DET | 9 | 19 | 2 | 4 | 0 | 2 | 0 | 1 | 4 | .211 | .461 | 23 |
| 1925 | 33 | DET | 18 | 50 | 6 | 10 | 0 | 6 | 0 | 2 | 7 | .200 | .491 | 28 |
| Year | Age | Team | G | GS | W | L | SV | IP | SO | BB | ERA | ERA+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1913 | 21 | BOS | 42 | 28 | 14 | 17 | 1 | 259.1 | 144 | 94 | 2.39 | 122 |
| 1914 | 22 | BOS | 36 | 25 | 19 | 5 | 3 | 224.2 | 176 | 60 | 0.96 | 284 |
| 1915 | 23 | BOS | 32 | 21 | 15 | 7 | 0 | 183.1 | 116 | 67 | 2.36 | 124 |
| 1916 | 24 | BOS | 48 | 34 | 18 | 12 | 6 | 274 | 144 | 66 | 2.36 | 119 |
| 1917 | 25 | BOS | 37 | 36 | 16 | 17 | 1 | 294.1 | 144 | 72 | 2.17 | 123 |
| 1918 | 26 | BOS | 16 | 16 | 8 | 6 | 0 | 125.2 | 47 | 53 | 2.72 | 102 |
| 1919 | 27 | DET | 29 | 28 | 14 | 13 | 0 | 217.1 | 102 | 65 | 2.77 | 116 |
| 1920 | 28 | DET | 28 | 27 | 10 | 17 | 0 | 191.1 | 76 | 63 | 4.33 | 88 |
| 1921 | 29 | DET | 36 | 32 | 11 | 13 | 1 | 245 | 120 | 63 | 3.75 | 114 |
| 1924 | 32 | DET | 9 | 7 | 3 | 2 | 1 | 51.1 | 26 | 18 | 4.56 | 93 |
| 1925 | 33 | DET | 18 | 18 | 11 | 4 | 0 | 125.2 | 65 | 43 | 4.51 | 97 |
| Year | Pos | G | GS | PO | A | E | DP |
|---|---|---|---|---|---|---|---|
| 1913 | P | 42 | 0 | 5 | 68 | 8 | 0 |
| 1914 | P | 36 | 0 | 6 | 41 | 2 | 1 |
| 1915 | P | 32 | 0 | 3 | 30 | 2 | 0 |
| 1916 | P | 48 | 0 | 7 | 49 | 3 | 1 |
| 1917 | P | 37 | 0 | 5 | 60 | 1 | 2 |
| 1918 | P | 16 | 0 | 4 | 25 | 2 | 2 |
| 1919 | P | 29 | 0 | 7 | 40 | 3 | 1 |
| 1920 | P | 28 | 0 | 7 | 41 | 2 | 0 |
| 1921 | P | 36 | 0 | 4 | 50 | 3 | 1 |
| 1924 | P | 9 | 0 | 0 | 11 | 1 | 0 |
| 1925 | P | 18 | 0 | 5 | 17 | 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.
Dutch Leonard won: Baseball Magazine All-Star 1914 (AL).
MVP, Cy Young and Rookie of the Year voting history (1 ballot finishes, 0 wins). Full year pages: 1914.
| Year | Award | Lg | Rank | Points | First-place votes |
|---|---|---|---|---|---|
| 1914 | Most Valuable Player | AL | 17 | 6 / 64 | 0 |
Dutch Leonard ranks on 1 all-time single-season position leaderboard (1871-2025, league-season-normalized OPS+ / ERA+).
| Rank | Board | Year | Stat |
|---|---|---|---|
| #1 | starting pitchers | 1914 | 284 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.