Best MLB Baseball Seasons of All-Time

Can you name the players who had the best seasons in history, as measured by Wins Above Replacement?

Live ball era only, 1920–present

According to Baseball Reference

Active players in gold

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Last updated: October 1, 2023

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First submitted	October 28, 2019
Times taken	1,118
Average score	67.3%
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WAR	Year	Team	Pos	Player
14.1	1923	NYY	OF	Babe Ruth
13.3	1985	NYM	P	Dwight Gooden
12.6	1920	CHC	P	Pete Alexander
12.5	1921	NYY	OF	Babe Ruth
12.5	1967	BOS	OF	Carl Yastrzemski
12.5	1972	PHI	P	Steve Carlton
12.4	1927	NYY	OF	Babe Ruth
12.1	1924	STL	2B	Rogers Hornsby
12.1	1997	TOR	P	Roger Clemens
12.0	1945	DET	P	Hal Newhouser
11.9	1968	STL	P	Bob Gibson
11.9	2001	SF	OF	Barry Bonds
11.8	1920	NYY	OF	Babe Ruth
11.8	1927	NYY	1B	Lou Gehrig
11.8	1971	CHC	P	Fergie Jenkins
11.8	2002	SF	OF	Barry Bonds
11.7	1924	NYY	OF	Babe Ruth
11.7	2000	BOS	P	Pedro Martinez
11.5	1926	NYY	OF	Babe Ruth
11.5	1991	BAL	SS	Cal Ripken
11.3	1956	NYY	OF	Mickey Mantle
11.3	1957	NYY	OF	Mickey Mantle
11.3	1969	STL	P	Bob Gibson
11.2	1965	SF	OF	Willie Mays
11.1	1948	STL	OF	Stan Musial
11.0	1921	CHW	P	Red Faber
11.0	1964	SF	OF	Willie Mays
11.0	1971	CHW	P	Wilbur Wood

WAR	Year	Team	Pos	Player
11.0	1972	CLE	P	Gaylord Perry
11.0	1973	NYM	P	Tom Seaver
11.0	1975	CIN	2B	Joe Morgan
10.9	1946	BOS	LF	Ted Williams
10.9	1971	NYM	P	Tom Seaver
10.9	2018	BOS	OF	Mookie Betts
10.8	1921	STL	2B	Rogers Hornsby
10.8	1944	DET	P	Dizzy Trout
10.7	1923	CIN	P	Dolf Luque
10.7	1936	BOS	P	Lefty Grove
10.6	2022	NYY	OF	Aaron Judge
10.6	1935	BOS	P	Wes Ferrell
10.6	1941	BOS	LF	Ted Williams
10.6	1942	BOS	LF	Ted Williams
10.6	1954	NYG	OF	Willie Mays
10.6	1963	SF	OF	Willie Mays
10.6	2004	SF	OF	Barry Bonds
10.5	1930	NYY	OF	Babe Ruth
10.5	1932	PHA	1B	Jimmie Foxx
10.5	1961	NYY	OF	Mickey Mantle
10.5	1962	SF	OF	Willie Mays
10.5	1965	SF	P	Juan Marichal
10.5	1968	BOS	OF	Carl Yastrzemski
10.5	1982	MIL	SS	Robin Yount
10.5	2002	ARI	P	Randy Johnson
10.5	2012	LAA	OF	Mike Trout
10.5	2016	LAA	OF	Mike Trout