Slugging Average
All-Time Single-Season Z-Leaders
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Appearances
Babe Ruth* (14)
1920 #1
1921 #2
1923 #6
1927 #8
1924 #10
1926 #13
1919 #19
1928 #35
1930 #56
1931 #57
1918 #58
1929 #73
1932 #122
1922 #123
Ted Williams* (7)
1957 #12
1946 #20
1941 #25
1947 #27
1942 #33
1949 #40
1954 #63
Barry Bonds (6)
2004 #3
2002 #4
2001 #5
2003 #18
1992 #46
1993 #64
Ty Cobb* (6)
1917 #42
1910 #44
1911 #54
1908 #84
1909 #92
1912 #102
Rogers Hornsby* (5)
1925 #11
1924 #17
1922 #24
1921 #106
1920 #128
Mark McGwire* (5)
1998 #15
1996 #31
1995 #52
1992 #55
1999 #87
Jimmie Foxx* (5)
1932 #16
1933 #28
1939 #60
1938 #77
1935 #148
Ed Delahanty* (5)
1896 #65
1899 #104
1895 #140
1902 #143
1893 #150
Lou Gehrig* (4)
1927 #9
1934 #47
1930 #72
1931 #131
Honus Wagner* (4)
1908 #45
1900 #121
1907 #126
1904 #146
Stan Musial* (3)
1948 #22
1946 #78
1943 #132
Mickey Mantle* (3)
1956 #23
1957 #53
1961 #75
Ross Barnes* (3)
1876 #26
1872 #98
1873 #117
Albert Belle* (3)
1994 #34
1995 #43
1998 #135
Nap Lajoie* (3)
1901 #36
1904 #49
1910 #144
Albert Pujols (3)
2009 #61
2003 #136
2006 #139
Dick Allen* (3)
1972 #66
1974 #100
1966 #113
Johnny Mize* (3)
1940 #71
1938 #109
1939 #138
Manny Ramirez (3)
2000 #86
2002 #91
1999 #110
Hank Greenberg* (3)
1946 #112
1938 #130
1940 #133
Joe Jackson* (3)
1912 #120
1911 #125
1913 #147
Larry Walker* (2)
1997 #30
1999 #70
Mike Schmidt* (2)
1981 #41
1980 #67
Sam Thompson* (2)
1895 #48
1894 #69
Chuck Klein* (2)
1933 #85
1932 #107
Dan Brouthers* (2)
1886 #88
1885 #114
Ken Griffey (2)
1997 #93
1994 #97
Willie Stargell* (2)
1971 #96
1973 #151
Ralph Kiner* (2)
1949 #99
1947 #127
This chart lists the top 1% of all player-seasons.
Active players in bold, asterisk (*) means HOF.
See historical slugging average graph.
| Player | Year / Lg | SLG% | Z-Score | |
|---|---|---|---|---|
| 1. | Babe Ruth* | 1920 AL | .849 | 4.8898 |
| 2. | Babe Ruth* | 1921 AL | .846 | 4.5835 |
| 3. | Barry Bonds | 2004 NL | .812 | 4.3570 |
| 4. | Barry Bonds | 2002 NL | .799 | 4.3460 |
| 5. | Barry Bonds | 2001 NL | .863 | 4.3425 |
| 6. | Babe Ruth* | 1923 AL | .764 | 4.0673 |
| 7. | Tip O'Neill | 1887 AA | .691 | 4.0149 |
| 8. | Babe Ruth* | 1927 AL | .772 | 3.9581 |
| 9. | Lou Gehrig* | 1927 AL | .765 | 3.8900 |
| 10. | Babe Ruth* | 1924 AL | .739 | 3.8733 |
| 11. | Rogers Hornsby* | 1925 NL | .756 | 3.8661 |
| 12. | Ted Williams* | 1957 AL | .731 | 3.8626 |
| 13. | Babe Ruth* | 1926 AL | .737 | 3.7968 |
| 14. | George Brett* | 1980 AL | .664 | 3.7309 |
| 15. | Mark McGwire* | 1998 NL | .752 | 3.7186 |
| 16. | Jimmie Foxx* | 1932 AL | .749 | 3.7138 |
| 17. | Rogers Hornsby* | 1924 NL | .696 | 3.6810 |
| 18. | Barry Bonds | 2003 NL | .749 | 3.6772 |
| 19. | Babe Ruth* | 1919 AL | .657 | 3.5924 |
| 20. | Ted Williams* | 1946 AL | .667 | 3.5459 |
| 21. | Frank Thomas | 1994 AL | .729 | 3.5271 |
| 22. | Stan Musial* | 1948 NL | .702 | 3.5250 |
| 23. | Mickey Mantle* | 1956 AL | .705 | 3.5118 |
| 24. | Rogers Hornsby* | 1922 NL | .722 | 3.4984 |
| 25. | Ted Williams* | 1941 AL | .735 | 3.4905 |
| 26. | Ross Barnes* | 1876 NL | .590 | 3.4693 |
| 27. | Ted Williams* | 1947 AL | .634 | 3.4601 |
| 28. | Jimmie Foxx* | 1933 AL | .703 | 3.3865 |
| 29. | Jeff Bagwell* | 1994 NL | .750 | 3.3769 |
| 30. | Larry Walker* | 1997 NL | .720 | 3.3740 |
| 31. | Mark McGwire* | 1996 AL | .730 | 3.3738 |
| 32. | Fred Dunlap* | 1884 UA | .621 | 3.3712 |
| 33. | Ted Williams* | 1942 AL | .648 | 3.3503 |
| 34. | Albert Belle* | 1994 AL | .714 | 3.3488 |
| 35. | Babe Ruth* | 1928 AL | .709 | 3.3381 |
| 36. | Nap Lajoie* | 1901 AL | .643 | 3.3335 |
| 37. | Hank Aaron* | 1971 NL | .669 | 3.3231 |
| 38. | Jim Thome | 2002 AL | .677 | 3.3125 |
| 39. | Jim Rice* | 1978 AL | .600 | 3.3056 |
| 40. | Ted Williams* | 1949 AL | .650 | 3.2931 |
| 41. | Mike Schmidt* | 1981 NL | .644 | 3.2925 |
| 42. | Ty Cobb* | 1917 AL | .570 | 3.2711 |
| 43. | Albert Belle* | 1995 AL | .690 | 3.2453 |
| 44. | Ty Cobb* | 1910 AL | .551 | 3.2297 |
| 45. | Honus Wagner* | 1908 NL | .542 | 3.2285 |
| 46. | Barry Bonds | 1992 NL | .624 | 3.2163 |
| 47. | Lou Gehrig* | 1934 AL | .706 | 3.2159 |
| 48. | Sam Thompson* | 1895 NL | .654 | 3.2147 |
| 49. | Nap Lajoie* | 1904 AL | .552 | 3.2064 |
| 50. | Frank Robinson* | 1966 AL | .637 | 3.1909 |
| 51. | Hugh Duffy* | 1894 NL | .694 | 3.1816 |
| 52. | Mark McGwire* | 1995 AL | .685 | 3.1763 |
| 53. | Mickey Mantle* | 1957 AL | .665 | 3.1755 |
| 54. | Ty Cobb* | 1911 AL | .621 | 3.1735 |
| 55. | Mark McGwire* | 1992 AL | .585 | 3.1691 |
| 56. | Babe Ruth* | 1930 AL | .732 | 3.1680 |
| 57. | Babe Ruth* | 1931 AL | .700 | 3.1664 |
| 58. | Babe Ruth* | 1918 AL | .555 | 3.1641 |
| 59. | Kevin Mitchell* | 1989 NL | .635 | 3.1307 |
| 60. | Jimmie Foxx* | 1939 AL | .694 | 3.1258 |
| 61. | Albert Pujols | 2009 NL | .658 | 3.1219 |
| 62. | Sammy Sosa | 2001 NL | .737 | 3.1216 |
| 63. | Ted Williams* | 1954 AL | .635 | 3.1189 |
| 64. | Barry Bonds | 1993 NL | .677 | 3.1184 |
| 65. | Ed Delahanty* | 1896 NL | .631 | 3.1164 |
| 66. | Dick Allen* | 1972 AL | .603 | 3.1162 |
| 67. | Mike Schmidt* | 1980 NL | .624 | 3.0992 |
| 68. | Carl Yastrzemski* | 1967 AL | .622 | 3.0971 |
| 69. | Sam Thompson* | 1894 NL | .686 | 3.0968 |
| 70. | Larry Walker* | 1999 NL | .710 | 3.0911 |
| 71. | Johnny Mize* | 1940 NL | .636 | 3.0857 |
| 72. | Lou Gehrig* | 1930 AL | .721 | 3.0714 |
| 73. | Babe Ruth* | 1929 AL | .697 | 3.0643 |
| 74. | Cy Seymour* | 1905 NL | .559 | 3.0508 |
| 75. | Mickey Mantle* | 1961 AL | .687 | 3.0434 |
| 76. | Jason Giambi | 2001 AL | .660 | 3.0221 |
| 77. | Jimmie Foxx* | 1938 AL | .704 | 3.0103 |
| 78. | Stan Musial* | 1946 NL | .587 | 3.0081 |
| 79. | Javy Lopez | 2003 NL | .687 | 3.0078 |
| 80. | Joe Medwick* | 1937 NL | .641 | 3.0057 |
| 81. | Levi Meyerle | 1871 NA | .700 | 2.9904 |
| 82. | Alex Rodriguez | 2007 AL | .645 | 2.9868 |
| 83. | Willie McCovey* | 1969 NL | .656 | 2.9687 |
| 84. | Ty Cobb* | 1908 AL | .475 | 2.9635 |
| 85. | Chuck Klein* | 1933 NL | .602 | 2.9634 |
| 86. | Manny Ramirez | 2000 AL | .697 | 2.9610 |
| 87. | Mark McGwire* | 1999 NL | .697 | 2.9498 |
| 88. | Dan Brouthers* | 1886 NL | .581 | 2.9470 |
| 89. | Travis Hafner | 2006 AL | .659 | 2.9468 |
| 90. | Al Simmons* | 1930 AL | .708 | 2.9463 |
| 91. | Manny Ramirez | 2002 AL | .647 | 2.9441 |
| 92. | Ty Cobb* | 1909 AL | .517 | 2.9382 |
| 93. | Ken Griffey | 1997 AL | .646 | 2.9276 |
| 94. | George Hall | 1876 NL | .545 | 2.9149 |
| 95. | Josh Hamilton | 2010 AL | .633 | 2.9097 |
| 96. | Willie Stargell* | 1971 NL | .628 | 2.9066 |
| 97. | Ken Griffey | 1994 AL | .674 | 2.9041 |
| 98. | Ross Barnes* | 1872 NA | .585 | 2.9025 |
| 99. | Ralph Kiner* | 1949 NL | .658 | 2.9001 |
| 100. | Dick Allen* | 1974 AL | .563 | 2.8997 |
| 101. | Joe DiMaggio* | 1939 AL | .671 | 2.8969 |
| 102. | Ty Cobb* | 1912 AL | .584 | 2.8966 |
| 103. | Cecil Fielder* | 1990 AL | .592 | 2.8952 |
| 104. | Ed Delahanty* | 1899 NL | .582 | 2.8905 |
| 105. | Derrek Lee | 2005 NL | .662 | 2.8855 |
| 106. | Rogers Hornsby* | 1921 NL | .639 | 2.8821 |
| 107. | Chuck Klein* | 1932 NL | .646 | 2.8786 |
| 108. | Fred Lynn* | 1979 AL | .637 | 2.8745 |
| 109. | Johnny Mize* | 1938 NL | .614 | 2.8687 |
| 110. | Manny Ramirez | 1999 AL | .663 | 2.8653 |
| 111. | Willie Mays* | 1965 NL | .645 | 2.8574 |
| 112. | Hank Greenberg* | 1946 AL | .604 | 2.8525 |
| 113. | Dick Allen* | 1966 NL | .632 | 2.8475 |
| 114. | Dan Brouthers* | 1885 NL | .543 | 2.8464 |
| 115. | Reggie Jackson* | 1980 AL | .597 | 2.8439 |
| 116. | Juan Gonzalez* | 1993 AL | .632 | 2.8387 |
| 117. | Ross Barnes* | 1873 NA | .584 | 2.8383 |
| 118. | John Reilly | 1884 AA | .551 | 2.8369 |
| 119. | Dave Orr | 1885 AA | .543 | 2.8366 |
| 120. | Joe Jackson* | 1912 AL | .579 | 2.8353 |
| 121. | Honus Wagner* | 1900 NL | .573 | 2.8338 |
| 122. | Babe Ruth* | 1932 AL | .661 | 2.8328 |
| 123. | Babe Ruth* | 1922 AL | .672 | 2.8328 |
| 124. | Gavvy Cravath* | 1913 NL | .568 | 2.8232 |
| 125. | Joe Jackson* | 1911 AL | .590 | 2.8228 |
| 126. | Honus Wagner* | 1907 NL | .513 | 2.8208 |
| 127. | Ralph Kiner* | 1947 NL | .639 | 2.8172 |
| 128. | Rogers Hornsby* | 1920 NL | .559 | 2.8120 |
| 129. | Dave Orr | 1886 AA | .527 | 2.8111 |
| 130. | Hank Greenberg* | 1938 AL | .683 | 2.8110 |
| 131. | Lou Gehrig* | 1931 AL | .662 | 2.8056 |
| 132. | Stan Musial* | 1943 NL | .562 | 2.7935 |
| 133. | Hank Greenberg* | 1940 AL | .670 | 2.7929 |
| 134. | Norm Cash* | 1961 AL | .662 | 2.7924 |
| 135. | Albert Belle* | 1998 AL | .655 | 2.7892 |
| 136. | Albert Pujols | 2003 NL | .667 | 2.7859 |
| 137. | Willie Mays* | 1955 NL | .659 | 2.7838 |
| 138. | Johnny Mize* | 1939 NL | .626 | 2.7827 |
| 139. | Albert Pujols | 2006 NL | .671 | 2.7793 |
| 140. | Ed Delahanty* | 1895 NL | .617 | 2.7786 |
| 141. | Miguel Cabrera | 2010 AL | .622 | 2.7763 |
| 142. | Danny Tartabull* | 1991 AL | .593 | 2.7753 |
| 143. | Ed Delahanty* | 1902 AL | .590 | 2.7696 |
| 144. | Nap Lajoie* | 1910 AL | .514 | 2.7660 |
| 145. | Harry Stovey* | 1884 AA | .545 | 2.7600 |
| 146. | Honus Wagner* | 1904 NL | .520 | 2.7596 |
| 147. | Joe Jackson* | 1913 AL | .551 | 2.7575 |
| 148. | Jimmie Foxx* | 1935 AL | .636 | 2.7538 |
| 149. | Carlos Pena | 2007 AL | .627 | 2.7508 |
| 150. | Ed Delahanty* | 1893 NL | .583 | 2.7479 |
| 151. | Willie Stargell* | 1973 NL | .646 | 2.7365 |
| 152. | Hack Wilson* | 1930 NL | .723 | 2.7293 |