| All-Time Season WAR Leaders | ||||||||||
| RK | PLAYER | YEAR | WAR | OFF | DEF | WAA | TRPG | ORPG | RAA | WAAWP |
| 51 | Cal Ripken | 1991 | 11.5 | 9.2 | 3.4 | 9.2 | 4.9 | 4.5 | 88.6 | 0.6 |
| 52 | Babe Ruth | 1926 | 11.5 | 11.1 | -0.2 | 9.1 | 5.4 | 4.8 | 94.9 | 0.6 |
| Honus Wagner | 1908 | 11.5 | 11.4 | 1.4 | 9.3 | 3.8 | 3.3 | 77.1 | 0.6 | |
| 54 | Ed Walsh | 1912 | 11.4 | 0 | 0 | 7.8 | 4.5 | 3.4 | 67.4 | 0.6 |
| Eddie Cicotte | 1917 | 11.4 | 0 | 0 | 8.2 | 3.6 | 2.4 | 61.4 | 0.7 | |
| Billy Rhines | 1890 | 11.4 | 0 | 0 | 8.4 | 5.6 | 3.7 | 70 | 0.7 | |
| Ty Cobb | 1917 | 11.4 | 10.6 | 0.2 | 8.8 | 4.1 | 3.6 | 75.7 | 0.6 | |
| 58 | Charlie Buffinton | 1889 | 11.3 | 0 | 0 | 8.1 | 5.9 | 4.1 | 82.6 | 0.7 |
| Jouett Meekin | 1894 | 11.3 | 0 | 0 | 7.7 | 7.6 | 5.7 | 88.6 | 0.6 | |
| Red Faber | 1921 | 11.3 | 0 | 0 | 8.1 | 5.1 | 3.3 | 79.9 | 0.7 | |
| Mickey Mantle | 1957 | 11.3 | 11.3 | -0.1 | 9.4 | 4.8 | 4.2 | 92 | 0.6 | |
| Mickey Mantle | 1956 | 11.3 | 10.7 | 0.5 | 9.3 | 5.3 | 4.7 | 96.4 | 0.6 | |
| Ted Breitenstein | 1893 | 11.3 | 0 | 0 | 8 | 6.7 | 4.7 | 89.7 | 0.7 | |
| 64 | Bob Gibson | 1968 | 11.2 | 0 | 0 | 8.6 | 3.4 | 1.7 | 62.8 | 0.8 |
| Walter Johnson | 1910 | 11.2 | 0 | 0 | 7.9 | 3.6 | 2.4 | 55.1 | 0.7 | |
| Hal Newhouser | 1945 | 11.2 | 0 | 0 | 8.9 | 3.9 | 2.2 | 66.9 | 0.7 | |
| Willie Mays | 1965 | 11.2 | 9.5 | 1.6 | 8.7 | 4.4 | 4 | 79.9 | 0.6 | |
| Walter Johnson | 1915 | 11.2 | 0 | 0 | 8.1 | 4 | 2.6 | 62.6 | 0.7 | |
| 69 | Stan Musial | 1948 | 11.1 | 10.7 | -0.1 | 8.4 | 5 | 4.5 | 84.8 | 0.6 |
| Willie Mays | 1964 | 11.1 | 9 | 1.9 | 8.5 | 4.4 | 4 | 76.3 | 0.6 | |
| Christy Mathewson | 1908 | 11.1 | 0 | 0 | 7.9 | 3.3 | 2.3 | 54.9 | 0.6 | |
| Lefty Grove | 1936 | 11.1 | 0 | 0 | 8.7 | 5.7 | 3.2 | 91.4 | 0.7 | |
| 73 | Jim Whitney | 1883 | 11 | 0 | 0 | 6.9 | 5.7 | 4.5 | 62.3 | 0.6 |
| Pud Galvin | 1883 | 11 | 0 | 0 | 5.7 | 5.7 | 4.9 | 48.3 | 0.6 | |
| Russ Ford | 1910 | 11 | 0 | 0 | 8.3 | 3.6 | 2 | 57.4 | 0.7 | |
| Gaylord Perry | 1972 | 11 | 0 | 0 | 7.9 | 3.5 | 2.1 | 53.5 | 0.7 | |
| Ed Morris | 1886 | 11 | 0 | 0 | 8.4 | 5.8 | 4.4 | 83.3 | 0.6 | |
| Joe Morgan | 1975 | 11 | 9.4 | 2 | 9 | 4.6 | 4.1 | 84.7 | 0.6 | |
| 79 | Ed Walsh | 1910 | 10.9 | 0 | 0 | 7.6 | 3.6 | 2.4 | 53.2 | 0.7 |
| Randy Johnson | 2002 | 10.9 | 0 | 0 | 8.9 | 4.5 | 2.4 | 75.7 | 0.8 | |
| Mike Trout | 2012 | 10.9 | 8.8 | 2.1 | 8.8 | 4.9 | 4.4 | 85.5 | 0.6 | |
| Ted Williams | 1946 | 10.9 | 10.5 | -0.3 | 9 | 4.6 | 4.1 | 84.5 | 0.6 | |
| Will White | 1882 | 10.9 | 0 | 0 | 8.8 | 5.2 | 3.6 | 82.4 | 0.7 | |
| Mookie Betts | 2018 | 10.9 | 8.7 | 1.8 | 8.9 | 5.1 | 4.6 | 86.8 | 0.6 | |
| Pete Alexander | 1915 | 10.9 | 0 | 0 | 8 | 3.6 | 2.4 | 55.8 | 0.7 | |
| Kid Nichols | 1897 | 10.9 | 0 | 0 | 7.7 | 6.1 | 4.3 | 74.6 | 0.7 | |
| 87 | Aaron Judge | 2024 | 10.8 | 11.7 | -0.9 | 8.6 | 5 | 4.4 | 85.7 | 0.6 |
| Rogers Hornsby | 1921 | 10.8 | 9.9 | 1.3 | 8.7 | 5.1 | 4.6 | 89.1 | 0.6 | |
| Lady Baldwin | 1886 | 10.8 | 0 | 0 | 6.8 | 5.3 | 4 | 57.7 | 0.6 | |
| Kid Nichols | 1898 | 10.8 | 0 | 0 | 7.4 | 5.1 | 3.6 | 61.7 | 0.6 | |
| Matt Kilroy | 1887 | 10.8 | 0 | 0 | 7.9 | 6.9 | 5.5 | 88.5 | 0.6 | |
| 92 | Ty Cobb | 1911 | 10.7 | 10.2 | 0.1 | 8.3 | 5.2 | 4.6 | 84.5 | 0.6 |
| Wilbur Wood | 1972 | 10.7 | 0 | 0 | 7.3 | 3.5 | 2.4 | 50.3 | 0.6 | |
| Sandy Koufax | 1963 | 10.7 | 0 | 0 | 7.7 | 3.8 | 2.3 | 61.6 | 0.7 | |
| Barry Bonds | 2004 | 10.7 | 11.5 | -1.5 | 8.8 | 5.4 | 4.7 | 92.7 | 0.6 | |
| Clark Griffith | 1898 | 10.7 | 0 | 0 | 7.9 | 5.1 | 3.1 | 65.9 | 0.7 | |
| 97 | Pete Alexander | 1916 | 10.6 | 0 | 0 | 7.7 | 3.4 | 2.3 | 56 | 0.7 |
| Dolf Luque | 1923 | 10.6 | 0 | 0 | 8.1 | 4.8 | 3 | 75.2 | 0.7 | |
| Ted Williams | 1942 | 10.6 | 10.1 | -0.2 | 8.8 | 4.8 | 4.3 | 85.1 | 0.6 | |
| Willie Mays | 1963 | 10.6 | 9.1 | 1.4 | 8 | 4.2 | 3.8 | 69.6 | 0.6 | |