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Dutch Leonard played 20 major-league seasons (1933-1953) as a P (640). Career totals and every year-by-year line below come from the SABR/Lahman database (CC BY-SA), covering 1871-2025.
Showing 20 season lines
| Year | Age | Team | G | AB | R | H | HR | RBI | SB | BB | SO | AVG | OPS | OPS+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1933 | 24 | BRO | 10 | 11 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | .000 | .000 | -100 |
| 1934 | 25 | BRO | 44 | 67 | 3 | 12 | 0 | 4 | 0 | 0 | 16 | .179 | .433 | 18 |
| 1935 | 26 | BRO | 43 | 39 | 1 | 1 | 0 | 2 | 0 | 1 | 9 | .026 | .101 | -72 |
| 1936 | 27 | BRO | 16 | 5 | 1 | 2 | 0 | 0 | 0 | 0 | 1 | .400 | .800 | 123 |
| 1938 | 29 | WS1 | 33 | 82 | 10 | 19 | 0 | 5 | 0 | 2 | 12 | .232 | .567 | 46 |
| 1939 | 30 | WS1 | 34 | 95 | 2 | 21 | 0 | 2 | 0 | 1 | 12 | .221 | .482 | 27 |
| 1940 | 31 | WS1 | 35 | 101 | 6 | 16 | 0 | 4 | 0 | 1 | 11 | .158 | .325 | -12 |
| 1941 | 32 | WS1 | 34 | 88 | 1 | 9 | 0 | 8 | 0 | 1 | 13 | .102 | .237 | -35 |
| 1942 | 33 | WS1 | 6 | 10 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | .100 | .282 | -17 |
| 1943 | 34 | WS1 | 31 | 67 | 0 | 7 | 0 | 3 | 1 | 2 | 10 | .104 | .235 | -29 |
| 1944 | 35 | WS1 | 32 | 79 | 6 | 18 | 0 | 1 | 0 | 4 | 10 | .228 | .506 | 50 |
| 1945 | 36 | WS1 | 31 | 78 | 9 | 18 | 0 | 9 | 0 | 1 | 5 | .231 | .497 | 48 |
| 1946 | 37 | WS1 | 26 | 53 | 2 | 9 | 0 | 7 | 0 | 2 | 17 | .170 | .370 | 8 |
| 1947 | 38 | PHI | 32 | 80 | 4 | 14 | 0 | 12 | 0 | 2 | 16 | .175 | .392 | 9 |
| 1948 | 39 | PHI | 34 | 83 | 1 | 12 | 0 | 4 | 0 | 0 | 22 | .145 | .323 | -9 |
| 1949 | 40 | CHN | 33 | 59 | 4 | 12 | 0 | 5 | 0 | 2 | 15 | .203 | .450 | 25 |
| 1950 | 41 | CHN | 35 | 16 | 0 | 1 | 0 | 0 | 0 | 0 | 5 | .063 | .125 | -66 |
| 1951 | 42 | CHN | 41 | 21 | 1 | 0 | 0 | 1 | 0 | 0 | 5 | .000 | .000 | -100 |
| 1952 | 43 | CHN | 45 | 10 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | .200 | .400 | 15 |
| 1953 | 44 | CHN | 45 | 10 | 0 | 3 | 0 | 2 | 0 | 0 | 1 | .300 | .700 | 87 |
| Year | Age | Team | G | GS | W | L | SV | IP | SO | BB | ERA | ERA+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1933 | 24 | BRO | 10 | 3 | 2 | 3 | 0 | 40 | 6 | 10 | 2.93 | 114 |
| 1934 | 25 | BRO | 44 | 20 | 14 | 11 | 5 | 183.2 | 58 | 33 | 3.28 | 124 |
| 1935 | 26 | BRO | 43 | 11 | 2 | 9 | 8 | 137.2 | 41 | 29 | 3.92 | 102 |
| 1936 | 27 | BRO | 16 | 0 | 0 | 0 | 1 | 32 | 8 | 5 | 3.66 | 110 |
| 1938 | 29 | WS1 | 33 | 31 | 12 | 15 | 0 | 223.1 | 68 | 53 | 3.43 | 140 |
| 1939 | 30 | WS1 | 34 | 34 | 20 | 8 | 0 | 269.1 | 88 | 59 | 3.54 | 130 |
| 1940 | 31 | WS1 | 35 | 35 | 14 | 19 | 0 | 289 | 124 | 78 | 3.49 | 126 |
| 1941 | 32 | WS1 | 34 | 33 | 18 | 13 | 0 | 256 | 91 | 54 | 3.45 | 120 |
| 1942 | 33 | WS1 | 6 | 5 | 2 | 2 | 0 | 35 | 15 | 5 | 4.11 | 89 |
| 1943 | 34 | WS1 | 31 | 30 | 11 | 13 | 1 | 219.2 | 51 | 46 | 3.28 | 101 |
| 1944 | 35 | WS1 | 32 | 31 | 14 | 14 | 0 | 229.1 | 62 | 37 | 3.06 | 112 |
| 1945 | 36 | WS1 | 31 | 29 | 17 | 7 | 1 | 216 | 96 | 35 | 2.13 | 158 |
| 1946 | 37 | WS1 | 26 | 23 | 10 | 10 | 0 | 161.2 | 62 | 36 | 3.56 | 98 |
| 1947 | 38 | PHI | 32 | 29 | 17 | 12 | 0 | 235 | 103 | 57 | 2.68 | 151 |
| 1948 | 39 | PHI | 34 | 30 | 12 | 17 | 0 | 225.2 | 92 | 54 | 2.51 | 157 |
| 1949 | 40 | CHN | 33 | 28 | 7 | 16 | 0 | 180 | 83 | 43 | 4.15 | 97 |
| 1950 | 41 | CHN | 35 | 1 | 5 | 1 | 6 | 74 | 28 | 27 | 3.77 | 110 |
| 1951 | 42 | CHN | 41 | 1 | 10 | 6 | 3 | 81.2 | 30 | 28 | 2.64 | 150 |
| 1952 | 43 | CHN | 45 | 0 | 2 | 2 | 11 | 66.2 | 37 | 24 | 2.16 | 173 |
| 1953 | 44 | CHN | 45 | 0 | 2 | 3 | 8 | 62.2 | 27 | 24 | 4.60 | 93 |
| Year | Pos | G | GS | PO | A | E | DP |
|---|---|---|---|---|---|---|---|
| 1933 | P | 10 | 0 | 4 | 10 | 2 | 0 |
| 1934 | P | 44 | 0 | 11 | 42 | 0 | 4 |
| 1935 | P | 43 | 0 | 2 | 26 | 1 | 0 |
| 1936 | P | 16 | 0 | 1 | 12 | 0 | 0 |
| 1938 | P | 33 | 0 | 9 | 46 | 4 | 3 |
| 1939 | P | 34 | 0 | 10 | 56 | 2 | 3 |
| 1940 | P | 35 | 0 | 15 | 72 | 4 | 7 |
| 1941 | P | 34 | 0 | 20 | 37 | 3 | 7 |
| 1942 | P | 6 | 0 | 1 | 7 | 0 | 0 |
| 1943 | P | 31 | 0 | 10 | 55 | 2 | 5 |
| 1944 | P | 32 | 0 | 7 | 53 | 3 | 2 |
| 1945 | P | 31 | 0 | 8 | 44 | 2 | 0 |
| 1946 | P | 26 | 0 | 4 | 47 | 3 | 2 |
| 1947 | P | 32 | 0 | 18 | 51 | 0 | 2 |
| 1948 | P | 34 | 0 | 15 | 57 | 2 | 2 |
| 1949 | P | 33 | 0 | 13 | 36 | 3 | 1 |
| 1950 | P | 35 | 0 | 5 | 15 | 0 | 1 |
| 1951 | P | 41 | 0 | 6 | 21 | 0 | 2 |
| 1952 | P | 45 | 0 | 6 | 22 | 1 | 0 |
| 1953 | P | 45 | 0 | 9 | 10 | 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.
Dutch Leonard won: Baseball Magazine All-Star 1939 (AL), Baseball Magazine All-Star 1941 (AL).
MVP, Cy Young and Rookie of the Year voting history (4 ballot finishes, 0 wins). Full year pages: 1947, 1945, 1941, 1939.
| Year | Award | Lg | Rank | Points | First-place votes |
|---|---|---|---|---|---|
| 1939 | Most Valuable Player | AL | 7 | 71 / 336 | 1 |
| 1941 | Most Valuable Player | AL | 20 | 7 / 336 | 0 |
| 1945 | Most Valuable Player | AL | 18 | 16 / 336 | 0 |
| 1947 | Most Valuable Player | NL | 13 | 32 / 336 | 1 |
Dutch Leonard ranks on 1 all-time single-season position leaderboard (1871-2025, league-season-normalized OPS+ / ERA+).
| Rank | Board | Year | Stat |
|---|---|---|---|
| #112 | closers | 1952 | 173 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.