Slugging Average Records by Baseball Almanac

Slugging Average Records

Baseball Almanac is pleased to present a record book full of baseball milestones for slugging averages — including career slugging average marks, single season slugging average plateaus and game related slugging average records.

"Don't quit until every base is uphill." - Babe Ruth

Slugging Average Career Slugging Average Records
Record	Lg	Name(s)	Team(s)	Data
Highest In A Career (Top 100)	AL	Babe Ruth	Boston	.568	.692
	AL	Babe Ruth	New York	.708	.692
	NL	Albert Pujols	St. Louis	.625	.625
	ML	Babe Ruth	Boston [AL]	.568	.690
			New York	.708
			Boston [NL]	.431
Slugging Average Single Season Slugging Average Records
Record	Lg	Name(s)	Team(s)	Data
Highest In A Season (Top 100)	AL	Babe Ruth	New York	.847	1920
Highest In A Season (Top 100)	NL	Barry Bonds	San Francisco	.863	2001
Highest In A Season By A Lefthander	AL	Babe Ruth	New York	.847	1920
Highest In A Season By A Lefthander	NL	Barry Bonds	San Francisco	.863	2001
Highest In A Season By A Righthander	AL	Jimmie Foxx	Philadelphia	.749	1932
Highest In A Season By A Righthander	NL	Rogers Hornsby	St. Louis	.756	1925
Highest In A Season By A Rookie	AL	Mark McGwire	Oakland	.618	1987
Highest In A Season By A Rookie	NL	Ryan Braun	Milwaukee	.634	2007
Highest In A Season By A Switch-Hitter	AL	Mickey Mantle	New York	.705	1956
Highest In A Season By A Switch-Hitter	NL	Chipper Jones	Atlanta	.633	1999
Lowest In A Season 150+ Games	AL	George McBride	Washington	.243	1914
Lowest In A Season 150+ Games	NL	Dal Maxvill	St. Louis	.223	1970
Lowest In A Season 400 At-Bats	AL	Charles Moran	Washington/St. Louis	.225	1904
Lowest In A Season 400 At-Bats	NL	Jim Lillie	Kansas City	.197	1886
Lowest In A Season By The League Leader	AL	Elmer Flick	Cleveland	.466	1905
Lowest In A Season By The League Leader	NL	Hy Myers	Brooklyn	.436	1919
Record	Lg	Name(s)	Team(s)	Data
Slugging Average Records

The American League (click here for every A.L. leader in a year-by-year format) and Major League record holder for most seasons leading the league in slugging average over the course of a career is thirteen by Babe Ruth.

The National League (click here for every N.L. leader in a year-by-year format) record holder for most seasons leading the league in slugging average over the course of a career is nine by Rogers Hornsby.

Do you have your calculator ready? To calculate slugging average you only need to do the following: number of (singles + [2 x doubles] +[ 3 x triples] + [4 x home runs]) then divide by at-bats.

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