Slugging Average Year-by-Year Leaders '1876 - 2007'
Year	American League	SLG	Team(s)	Year	National League	SLG	Team(s)
1876	-	-	-	1876	Ross Barnes	.590 (.59006)	Chicago
1877	-	-	-	1877	Deacon White	.545 (.54511)	Boston
1878	-	-	-	1878	Paul Hines	.486 (.48638)	Providence
1879	-	-	-	1879	John O'Rourke	.521 (.52050)	Boston
1880	-	-	-	1880	George Gore	.463 (.46273)	Chicago
1881	-	-	-	1881	Dan Brouthers	.541 (.54074)	Buffalo
1882	-	-	-	1882	Dan Brouthers	.547 (.54701)	Buffalo
1883	-	-	-	1883	Dan Brouthers	.572 (.57176)	Buffalo
1884	-	-	-	1884	Dan Brouthers	.563 (.56281)	Buffalo
1885	-	-	-	1885	Dan Brouthers	.543 (.54300)	Buffalo
1886	-	-	-	1886	Dan Brouthers	.581 (.58078)	Detroit
1887	-	-	-	1887	Sam Thompson	.571 (.57064)	Detroit
1888	-	-	-	1888	Jimmy Ryan	.515 (.51548)	Chicago
1889	-	-	-	1889	Roger Connor	.528 (.52823)	New York
1890	-	-	-	1890	Mike Tiernan	.495 (.49548)	New York
1891	-	-	-	1891	Harry Stovey	.498 (.49816)	Boston
1892	-	-	-	1892	Ed Delahanty	.495 (.49476)	Philadelphia
1893	-	-	-	1893	Ed Delahanty	.583 (.58319)	Philadelphia
1894	-	-	-	1894	Hugh Duffy	.694 (.69388)	Boston
1895	-	-	-	1895	Sam Thompson	.654 (.65428)	Philadelphia
1896	-	-	-	1896	Ed Delahanty	.631 (.63126)	Philadelphia
1897	-	-	-	1897	Nap Lajoie	.569 (.56881)	Philadelphia
1898	-	-	-	1898	John Anderson	.516 (.51628)	Brooklyn
							Washington
1899	-	-	-	1899	Ed Delahanty	.582 (.58176)	Philadelphia
1900	-	-	-	1900	Honus Wagner	.573 (.57306)	Pittsburgh
1901	Nap Lajoie	.643 (.64338)	Philadelphia	1901	Jimmy Sheckard	.534 (.53430)	Brooklyn
1902	Ed Delahanty	.590 (.58985)	Washington	1902	Honus Wagner	.463 (.46255)	Pittsburgh
1903	Nap Lajoie	.518 (.51753)	Cleveland	1903	Fred Clarke	.532 (.53162)	Pittsburgh
1904	Nap Lajoie	.552 (.55154)	Cleveland	1904	Honus Wagner	.520 (.52041)	Pittsburgh
1905	Elmer Flick	.462 (.46200)	Cleveland	1905	Cy Seymour	.559 (.55938)	Cincinnati
1906	George Stone	.501 (.50086)	St. Louis	1906	Harry Lumley	.477 (.47727)	Brooklyn
1907	Ty Cobb	.468 (.46777)	Detroit	1907	Honus Wagner	.513 (.51262)	Pittsburgh
1908	Ty Cobb	.475 (.47504)	Detroit	1908	Honus Wagner	.542 (.54225)	Pittsburgh
1909	Ty Cobb	.517 (.51658)	Detroit	1909	Honus Wagner	.489 (.48889)	Pittsburgh
1910	Ty Cobb	.551 (.55138)	Detroit	1910	Sherry Magee	.507 (.50674)	Philadelphia
1911	Ty Cobb	.621 (.62098)	Detroit	1911	Wildfire Schulte	.534 (.53380)	Chicago
1912	Ty Cobb	.584 (.58409)	Detroit	1912	Heinie Zimmerman	.571 (.57092)	Chicago
1913	Joe Jackson	.551 (.55114)	Cleveland	1913	Gavvy Cravath	.568 (.56762)	Philadelphia
1914	Ty Cobb	.513 (.51304)	Detroit	1914	Sherry Magee	.509 (.50919)	Philadelphia
1915	Jack Fournier	.491 (.49052)	Chicago	1915	Gavvy Cravath	.510 (.50958)	Philadelphia
1916	Tris Speaker	.502 (.50183)	Cleveland	1916	Zack Wheat	.461 (.46127)	Brooklyn
1917	Ty Cobb	.570 (.56973)	Detroit	1917	Rogers Hornsby	.484 (.48375)	St. Louis
1918	Babe Ruth	.555 (.55520)	Boston	1918	Edd Roush	.455 (.45517)	Cincinnati
1919	Babe Ruth	.657 (.65741)	Boston	1919	Hy Myers	.436 (.43555)	Brooklyn
1920	Babe Ruth	.847 (.84716)	New York	1920	Rogers Hornsby	.559 (.55857)	St. Louis
1921	Babe Ruth	.846 (.84630)	New York	1921	Rogers Hornsby	.639 (.63851)	St. Louis
1922	Babe Ruth	.672 (.67241)	New York	1922	Rogers Hornsby	.722 (.72231)	St. Louis
1923	Babe Ruth	.764 (.76437)	New York	1923	Rogers Hornsby	.627 (.62736)	St. Louis
1924	Babe Ruth	.739 (.73913)	New York	1924	Rogers Hornsby	.696 (.69590)	St. Louis
1925	Ken Williams	.613 (.61314)	St. Louis	1925	Rogers Hornsby	.756 (.75595)	St. Louis
1926	Babe Ruth	.737 (.73737)	New York	1926	Cy Williams	.568 (.56845)	Philadelphia
1927	Babe Ruth	.772 (.77222)	New York	1927	Chick Hafey	.590 (.58960)	St. Louis
1928	Babe Ruth	.709 (.70896)	New York	1928	Rogers Hornsby	.632 (.63169)	Boston
1929	Babe Ruth	.697 (.69739)	New York	1929	Rogers Hornsby	.679 (.67940)	Chicago
1930	Babe Ruth	.732 (.73166)	New York	1930	Hack Wilson	.723 (.72308)	Chicago
1931	Babe Ruth	.700 (.70037)	New York	1931	Chuck Klein	.584 (.58418)	Philadelphia
1932	Jimmie Foxx	.749 (.74872)	Philadelphia	1932	Chuck Klein	.646 (.64615)	Philadelphia
1933	Jimmie Foxx	.703 (.70332)	Philadelphia	1933	Chuck Klein	.602 (.60231)	Philadelphia
1934	Lou Gehrig	.706 (.70639)	New York	1934	Ripper Collins	.615 (.61500)	St. Louis
1935	Jimmie Foxx	.636 (.63551)	Philadelphia	1935	Arky Vaughan	.607 (.60721)	Pittsburgh
1936	Lou Gehrig	.696 (.69603)	New York	1936	Mel Ott	.588 (.58801)	New York
1937	Joe DiMaggio	.673 (.67311)	New York	1937	Joe Medwick	.641 (.64139)	St. Louis
1938	Jimmie Foxx	.704 (.70442)	Boston	1938	Johnny Mize	.614 (.61394)	St. Louis
1939	Jimmie Foxx	.694 (.69379)	Boston	1939	Johnny Mize	.626 (.62589)	St. Louis
1940	Hank Greenberg	.670 (.67016)	Detroit	1940	Johnny Mize	.636 (.63558)	St. Louis
1941	Ted Williams	.735 (.73465)	Boston	1941	Pete Reiser	.558 (.55784)	Brooklyn
1942	Ted Williams	.648 (.64751)	Boston	1942	Johnny Mize	.521 (.52126)	New York
1943	Rudy York	.527 (.52715)	Detroit	1943	Stan Musial	.562 (.56240)	St. Louis
1944	Bobby Doerr	.528 (.52778)	Boston	1944	Stan Musial	.549 (.54930)	St. Louis
1945	Snuffy Stirnweiss	.476 (.47626)	New York	1945	Tommy Holmes	.577 (.57704)	Boston
1946	Ted Williams	.667 (.66732)	Boston	1946	Stan Musial	.587 (.58654)	St. Louis
1947	Ted Williams	.634 (.63447)	Boston	1947	Ralph Kiner	.639 (.63894)	Pittsburgh
1948	Ted Williams	.615 (.61493)	Boston	1948	Stan Musial	.702 (.70213)	St. Louis
1949	Ted Williams	.650 (.65018)	Boston	1949	Ralph Kiner	.658 (.65756)	Pittsburgh
1950	Joe DiMaggio	.585 (.58476)	New York	1950	Stan Musial	.596 (.59640)	St. Louis
1951	Ted Williams	.556 (.55556)	Boston	1951	Ralph Kiner	.627 (.62712)	Pittsburgh
1952	Larry Doby	.541 (.54143)	Cleveland	1952	Stan Musial	.538 (.53806)	St. Louis
1953	Al Rosen	.613 (.61269)	Cleveland	1953	Duke Snider	.627 (.62712)	Brooklyn
1954	Ted Williams	.635 (.63472)	Boston	1954	Willie Mays	.667 (.66726)	New York
1955	Mickey Mantle	.611 (.61122)	New York	1955	Willie Mays	.659 (.65862)	New York
1956	Mickey Mantle	.705 (.70544)	New York	1956	Duke Snider	.598 (.59779)	Brooklyn
1957	Ted Williams	.731 (.73095)	Boston	1957	Willie Mays	.626 (.62564)	New York
1958	Rocky Colavito	.620 (.61963)	Cleveland	1958	Ernie Banks	.614 (.61426)	Chicago
1959	Al Kaline	.530 (.53033)	Detroit	1959	Hank Aaron	.636 (.63593)	Milwaukee
1960	Roger Maris	.581 (.58116)	New York	1960	Frank Robinson	.595 (.59483)	Cincinnati
1961	Mickey Mantle	.687 (.68677)	New York	1961	Frank Robinson	.611 (.61101)	Cincinnati
1962	Mickey Mantle	.605 (.60477)	New York	1962	Frank Robinson	.624 (.62397)	Cincinnati
1963	Harmon Killebrew	.555 (.55534)	Minnesota	1963	Hank Aaron	.586 (.58637)	Milwaukee
1964	Boog Powell	.606 (.60613)	Baltimore	1964	Willie Mays	.607 (.60727)	San Francisco
1965	Carl Yastrzemski	.536 (.53644)	Boston	1965	Willie Mays	.645 (.64516)	San Francisco
1966	Frank Robinson	.637 (.63715)	Baltimore	1966	Dick Allen	.632 (.63168)	Philadelphia
1967	Carl Yastrzemski	.622 (.62176)	Boston	1967	Hank Aaron	.573 (.57333)	Atlanta
1968	Frank Howard	.552 (.55184)	Washington	1968	Willie McCovey	.545 (.54493)	San Francisco
1969	Reggie Jackson	.608 (.60838)	Oakland	1969	Willie McCovey	.656 (.65580)	San Francisco
1970	Carl Yastrzemski	.592 (.59187)	Boston	1970	Willie McCovey	.612 (.61212)	San Francisco
1971	Tony Oliva	.546 (.54620)	Minnesota	1971	Hank Aaron	.669 (.66869)	Atlanta
1972	Dick Allen	.603 (.60277)	Chicago	1972	Billy Williams	.606 (.60627)	Chicago
1973	Reggie Jackson	.531 (.53061)	Oakland	1973	Willie Stargell	.646 (.64559)	Pittsburgh
1974	Dick Allen	.563 (.56277)	Chicago	1974	Mike Schmidt	.546 (.54577)	Philadelphia
1975	Fred Lynn	.566 (.56629)	Boston	1975	Dave Parker	.541 (.54122)	Pittsburgh
1976	Reggie Jackson	.502 (.50201)	Baltimore	1976	Joe Morgan	.576 (.57627)	Cincinnati
1977	Jim Rice	.593 (.59317)	Boston	1977	George Foster	.631 (.63089)	Cincinnati
1978	Jim Rice	.600 (.59970)	Boston	1978	Dave Parker	.585 (.58520)	Pittsburgh
1979	Fred Lynn	.637 (.63653)	Boston	1979	Dave Kingman	.613 (.61278)	Chicago
1980	George Brett	.664 (.66370)	Kansas City	1980	Mike Schmidt	.624 (.62409)	Philadelphia
1981	Bobby Grich	.543 (.54261)	California	1981	Mike Schmidt	.644 (.64407)	Philadelphia
1982	Robin Yount	.578 (.57795)	Milwaukee	1982	Mike Schmidt	.547 (.54669)	Philadelphia
1983	George Brett	.563 (.56250)	Kansas City	1983	Dale Murphy	.540 (.53989)	Atlanta
1984	Harold Baines	.541 (.54130)	Chicago	1984	Dale Murphy	.547 (.54695)	Atlanta
1985	George Brett	.585 (.58545)	Kansas City	1985	Pedro Guerrero	.577 (.57700)	Los Angeles
1986	Don Mattingly	.573 (.57312)	New York	1986	Mike Schmidt	.547 (.54710)	Philadelphia
1987	Mark McGwire	.618 (.61759)	Oakland	1987	Jack Clark	.597 (.59665)	St. Louis
1988	Jose Canseco	.569 (.56885)	Oakland	1988	Darryl Strawberry	.545 (.54512)	New York
1989	Ruben Sierra	.543 (.54259)	Texas	1989	Kevin Mitchell	.635 (.63536)	San Francisco
1990	Cecil Fielder	.592 (.59162)	Detroit	1990	Barry Bonds	.565 (.56455)	Pittsburgh
1991	Danny Tartabull	.593 (.59298)	Kansas City	1991	Will Clark	.536 (.53628)	San Francisco
1992	Mark McGwire	.585 (.58458)	Oakland	1992	Barry Bonds	.624 (.62368)	Pittsburgh
1993	Juan Gonzalez	.632 (.63246)	Texas	1993	Barry Bonds	.677 (.67718)	San Francisco
1994	Frank Thomas	.729 (.72932)	Chicago	1994	Jeff Bagwell	.750 (.75000)	Houston
1995	Albert Belle	.690 (.69048)	Cleveland	1995	Dante Bichette	.620 (.62003)	Colorado
1996	Mark McGwire	.730 (.73050)	Oakland	1996	Ellis Burks	.639 (.63948)	Colorado
1997	Ken Griffey, Jr.	.646 (.64638)	Seattle	1997	Larry Walker	.720 (.72007)	Colorado
1998	Albert Belle	.655 (.65517)	Chicago	1998	Mark McGwire	.752 (.75246)	St. Louis
1999	Manny Ramirez	.663 (.66284)	Cleveland	1999	Larry Walker	.710 (.71005)	Colorado
2000	Manny Ramirez	.697 (.69704)	Cleveland	2000	Todd Helton	.698 (.69828)	Colorado
2001	Jason Giambi	.660 (.65962)	Oakland	2001	Barry Bonds	.863 (.86345)	San Francisco
2002	Jim Thome	.677 (.67708)	Cleveland	2002	Barry Bonds	.799 (.79901)	San Francisco
2003	Alex Rodriguez	.600 (.59967)	Texas	2003	Barry Bonds	.749 (.74872)	San Francisco
2004	Manny Ramirez	.613 (.61268)	Boston	2004	Barry Bonds	.812 (.81233)	San Francisco
2005	Alex Rodriguez	.610 (.60992)	New York	2005	Derrek Lee	.662 (.66162)	Chicago
2006	Travis Hafner	.659 (.65859)	Cleveland	2006	Albert Pujols	.671 (.67103)	St. Louis
2007	Alex Rodriguez	.645 (.64494)	New York	2007	Ryan Braun	.634 (.63415)	Milwaukee
Year	American League	SLG	Team(s)	Year	National League	SLG	Team(s)
Current Through 2007 Season

	Who has the highest lifetime slugging average of any active player? Barry Bonds? Jim Thome? Someone else? Check the leaderboard today. Did you know that Rogers Hornsby topped the chart nine different times setting the record for most seasons leading the National League in slugging average? Babe Ruth topped the chart thirteen different times setting the record for most seasons leading the American League in slugging average.