MLB Wins Above Replacement - All Time

Season:
Players By Season | All-Time Players

All-Time Season WAR Leaders
RK	PLAYER	YEAR	WAR	OFF	DEF	WAA	TRPG	ORPG	RAA	WAAWP
1	Cy Young	1894	10.1	0	0	6.6	7.6	5.9	75.3	0.6
2	Jouett Meekin	1894	11.3	0	0	7.7	7.6	5.7	88.6	0.6
3	Pink Hawley	1895	9.8	0	0	6	6.8	5.5	59.8	0.6
	Babe Ruth	1930	10.3	10	-0.4	7.9	6.1	5.5	91.1	0.6
	Matt Kilroy	1887	10.8	0	0	7.9	6.9	5.5	88.5	0.6
6	Rogers Hornsby	1929	10.4	9.4	1.6	8.3	5.9	5.4	94.1	0.6
7	Alex Rodriguez	2000	10.3	8.8	2.3	8.1	5.8	5.3	88.4	0.6
8	Jimmie Foxx	1932	10.4	10	-0.1	8	5.8	5.2	89	0.6
	Lou Gehrig	1934	10.4	10.2	-0.4	8	5.7	5.2	88.6	0.6
	Babe Ruth	1931	10.3	10.4	-0.8	8	5.8	5.2	88.4	0.6
11	Amos Rusie	1894	14.3	0	0	10.4	7.6	5.1	121.6	0.7
	Rogers Hornsby	1925	10.1	10.2	0.4	8.3	5.8	5.1	92.7	0.6
	Babe Ruth	1921	12.9	12.2	-0	10.4	5.8	5.1	114.9	0.6
	Kid Nichols	1895	10.1	0	0	6.8	6.8	5.1	69.6	0.6
	Amos Rusie	1893	11.6	0	0	7.5	6.7	5.1	84.1	0.6
16	Elmer Smith	1887	10.1	0	0	7.9	6.9	5	89.3	0.7
	Babe Ruth	1924	11.7	10.8	0.2	9.3	5.6	5	99.2	0.6
	Rogers Hornsby	1922	10	11.2	-0.7	8	5.7	5	87.1	0.6
	Babe Ruth	1927	12.4	11.2	0.5	9.9	5.6	5	106.3	0.6
	Lou Gehrig	1927	11.8	11.3	-0.2	9.3	5.6	5	100	0.6
21	Pud Galvin	1883	11	0	0	5.7	5.7	4.9	48.3	0.6
	Cy Young	1893	11.7	0	0	8.1	6.7	4.9	91.4	0.7
23	Kid Nichols	1893	11.8	0	0	8.2	6.7	4.8	91.6	0.7
	Babe Ruth	1923	14	12.2	1.2	11.5	5.5	4.8	121.2	0.6
	Babe Ruth	1928	10.1	9.9	-0.5	7.6	5.3	4.8	79.5	0.5
	Cy Young	1896	10.1	0	0	6.5	6.2	4.8	63.4	0.6
	Babe Ruth	1926	11.5	11.1	-0.2	9.1	5.4	4.8	94.9	0.6
	Ted Williams	1941	10.6	10.9	-0.9	8.6	5.4	4.8	90.4	0.6
	Lou Boudreau	1948	10.4	8.4	3	8.5	5.2	4.8	87.6	0.6
	Babe Ruth	1920	11.9	11.8	-0.5	9.7	5.5	4.8	102	0.6
	George Sisler	1920	9.8	9.2	0	7.4	5.2	4.8	75.5	0.5
32	Barry Bonds	2001	11.9	12.4	-1.2	9.9	5.5	4.7	105.8	0.6
	Sammy Sosa	2001	10.3	9.7	-0.1	8.2	5.2	4.7	86.4	0.6
	Ted Breitenstein	1893	11.3	0	0	8	6.7	4.7	89.7	0.7
	Bill Hutchison	1891	10.5	0	0	5.7	5.6	4.7	53.5	0.6
	Mickey Mantle	1956	11.3	10.7	0.5	9.3	5.3	4.7	96.4	0.6
	Barry Bonds	2004	10.7	11.5	-1.5	8.8	5.4	4.7	92.7	0.6
38	Ty Cobb	1911	10.7	10.2	0.1	8.3	5.2	4.6	84.5	0.6
	Larry Walker	1997	9.8	8.9	0.3	7.9	5.1	4.6	81.7	0.6
	Rogers Hornsby	1927	10.1	8.9	1.8	7.9	5.1	4.6	81.4	0.6
	Rogers Hornsby	1921	10.8	9.9	1.3	8.7	5.1	4.6	89.1	0.6
	Silver King	1890	13.8	0	0	11.2	7	4.6	133.6	0.7
	Rickey Henderson	1985	9.9	8.6	1.5	8	5	4.6	79.3	0.6
	Mookie Betts	2018	10.9	8.7	1.8	8.9	5.1	4.6	86.8	0.6
	Mike Trout	2018	10.2	9.2	1.2	8.1	5.1	4.6	79.7	0.6
	Nig Cuppy	1896	9.8	0	0	6.7	6.2	4.6	66.7	0.6
	Willie Mays	1954	10.6	8.6	2	8.2	5	4.6	83.3	0.6
	Mickey Mantle	1961	10.5	10.6	-0.1	8.5	5.1	4.6	89.1	0.6
	Cy Young	1895	12.1	0	0	8.9	6.8	4.6	93.9	0.7
50	Rogers Hornsby	1924	12.1	11.5	1.1	10.2	5.2	4.5	105	0.6

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Glossary

WAR: Wins Above Replacement
OFF: Offensive Wins Above Replacement
DEF: Defensive Wins Above Replacement
WAA: Wins Above Average
TRPG: Average Team Runs Per Game With Player
ORPG: Opponent Team Runs Per Game Against Player
RAA: Runs Above Average
WAAWP: W-L Percentage Off Wins Above Average
RB: Batting Runs From Weighted Runs Above Average
RBR: Baserunning Runs From Weighted Runs Above Average
RAR: Runs Above Replacement
RAAO: Offensive Runs Above Average
WAAO: Offensive Wins Above Average

WAAWPO: W-L Percentage Off Offensive Wins Above Average
WAAD: Defensive Wins Above Average
WAAWPD: W-L Percentage Off Defensive Wins Above Average
RAAD: Defensive Runs Above Average
RGP: Superlative Defensive Plays
RIF: Infield Defensive Ability
ROF: Outfield Arm Ratings
RC: Catcher Defense
RD: Overall Defensive Ability
RA: Actual Runs Allowed
BIP: Percentage Of Team's Balls In Play
PPF: The Pitchers Team Park Factor

WAR data provided by Baseball-Reference