MLB Postseason Single-Season Slugging Percentage Record Progression

Every season that raised the bar, and the leader in every season between.

The MLB Postseason single-season slugging percentage record is 1.286, set by Yordan Alvarez in 2023. It has stood for 3 years. The mark has been raised 8 times since 1903.

AVG HR RBI H R SB OPS OBP SLG 2B 3B XBH TB BB SO PA AB G

Record Holders

9 marks since 1903

Year	Player	SLG	Stood for
2023	Yordan Alvarez	1.286	still standing
2015	Colby Rasmus	1.176	8 years
1932	Lou Gehrig	1.118	83 years
1923	Babe Ruth	1.000	9 years
1911	Home Run Baker	.708	12 years
1910	Danny Murphy	.700	1 year
1907	Harry Steinfeldt	.647	3 years
1906	George Rohe	.571	1 year
1903	Patsy Dougherty	.529	3 years

The earliest marks here are records only in the sense that nobody had done better yet. Season length, schedule and the rules themselves have all changed, so a figure from the 1870s is not comparable with a modern one and is not offered as though it were.

Every Season

120 seasons

Year	Leader	SLG
2026	Ben Rice	1.105
2025	Vladimir Guerrero	.795
2024	Fernando Tatis	1.000
2023	Yordan Alvarez	1.286	new record
2022	Harrison Bader	.833
2021	Enrique Hernandez	.837
2020	Giancarlo Stanton	1.038
2019	Ronald Acuña	.889
2018	Aaron Judge	.947
2017	Joc Pederson	.826
2016	David Ross	.688
2015	Colby Rasmus	1.176	new record
2014	Kolten Wong	.724
2013	Pedro Alvarez	.800
2012	Ryan Ludwick	.833
2011	Chris Young	.944
2010	Robinson Cano	.771
2009	Alex Rodriguez	.808
2008	Manny Ramirez	1.080
2007	Kevin Youkilis	.755
2006	Carlos Delgado	.757
2005	Andruw Jones	.824
2004	Carlos Beltran	1.022
2003	Todd Walker	.767
2002	Barry Bonds	.978
2001	Juan Gonzalez	.739
2000	Jim Edmonds	.750
1999	Jim Thome	1.059
1998	Manny Ramirez	.771
1997	Paul O'Neill	.842
1996	Bernie Williams	.707
1995	Paul O'Neill	.833
1993	Paul Molitor	.851
1992	Harold Baines	.640
1991	Kirby Puckett	.667
1990	Billy Hatcher	.889
1989	Mark Grace	1.118
1988	Lenny Dykstra	.857
1987	Jeffrey Leonard	.917
1986	Dave Henderson	.676
1985	Bill Madlock	.750
1984	Alan Trammell	.806
1983	Gary Matthews	.733
1982	Fred Lynn	.889
1981	Steve Yeager	.714
1981	Oscar Gamble	.714
1981	Gary Carter	.714
1980	Willie Aikens	.839
1979	Willie Stargell	.927
1978	Reggie Jackson	.806
1977	Hal McRae	.778
1976	Johnny Bench	.926
1975	Tony Perez	.550
1974	Steve Garvey	.564
1973	Pete Rose	.714
1972	Al Oliver	.600
1971	Bob Robertson	.780
1970	Brooks Robinson	.788
1969	Tommie Agee	.563
1968	Lou Brock	.857
1967	Carl Yastrzemski	.840
1965	Ron Fairly	.690
1964	Mickey Mantle	.792
1962	Jose Pagan	.526
1961	Elston Howard	.550
1960	Mickey Mantle	.800
1959	Ted Kluszewski	.826
1958	Hank Bauer	.710
1957	Hank Aaron	.786
1956	Yogi Berra	.800
1955	Duke Snider	.840
1953	Billy Martin	.958
1952	Duke Snider	.828
1951	Al Dark	.667
1949	Pee Wee Reese	.526
1948	Luke Easter	.857
1947	Johnny Lindell	.778
1946	Monte Irvin	.885
1945	Hank Greenberg	.696
1944	George McQuinn	.750
1944	Buck Leonard	.750
1943	Buck Leonard	.481
1942	Willard Brown	.867
1941	Joe Gordon	.929
1940	Pinky Higgins	.667
1939	Josh Gibson	.762
1937	Lou Gehrig	.647
1936	George Selkirk	.667
1936	Dick Bartell	.667
1935	Oscar Charleston	.654
1934	Turkey Stearnes	.708
1933	Mel Ott	.722
1932	Lou Gehrig	1.118	new record
1931	Pepper Martin	.792
1930	Turkey Stearnes	.967
1929	Jimmie Foxx	.700
1928	Willie Wells	.769
1927	Milton Lewis	.696
1926	Babe Ruth	.900
1925	Joe Harris	.880
1924	Goose Goslin	.656
1923	Babe Ruth	1.000	new record
1922	Heinie Groh	.579
1921	Irish Meusel	.586
1920	Tris Speaker	.480
1919	Shoeless Joe Jackson	.563
1918	George Whiteman	.350
1917	Dave Robertson	.636
1916	Duffy Lewis	.588
1915	Duffy Lewis	.667
1913	Eddie Collins	.632
1912	Buck Herzog	.600
1911	Home Run Baker	.708	new record
1910	Danny Murphy	.700	new record
1909	Jim Delahanty	.538
1908	Frank Schulte	.500
1907	Harry Steinfeldt	.647	new record
1906	George Rohe	.571	new record
1905	Roger Bresnahan	.438
1903	Patsy Dougherty	.529	new record