On-Base Percentage
All-Time Single-Season Z-Leaders
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Appearances
Ted Williams* (11)
1957 #9
1941 #10
1954 #14
1947 #19
1946 #39
1942 #48
1958 #61
1949 #79
1956 #80
1948 #84
1951 #87
Barry Bonds (9)
2004 #1
2002 #2
2003 #3
2001 #4
2007 #30
1992 #68
2006 #100
1993 #104
1996 #126
Babe Ruth* (8)
1920 #13
1923 #18
1926 #55
1921 #75
1930 #76
1931 #86
1924 #91
1932 #94
Wade Boggs* (6)
1988 #5
1985 #16
1986 #33
1987 #44
1983 #51
1989 #74
Frank Thomas (6)
1994 #15
1991 #29
1992 #41
1997 #56
1996 #89
1995 #98
Billy Hamilton* (5)
1894 #71
1898 #82
1895 #107
1893 #114
1891 #115
Dan Brouthers* (5)
1886 #103
1882 #125
1891 #129
1885 #145
1889 #150
Jason Giambi (4)
2001 #6
2000 #32
2005 #50
2002 #69
Mickey Mantle* (4)
1962 #11
1957 #17
1958 #111
1956 #138
Edgar Martinez* (4)
1995 #24
1997 #57
1996 #73
1999 #116
Ty Cobb* (4)
1910 #45
1915 #53
1916 #113
1913 #122
Ross Barnes* (3)
1876 #7
1873 #66
1872 #108
John McGraw* (3)
1899 #8
1900 #42
1898 #95
Rogers Hornsby* (3)
1924 #22
1928 #70
1925 #101
Manny Ramirez (3)
2002 #25
2000 #96
2006 #118
Rod Carew* (3)
1977 #43
1974 #63
1978 #131
Todd Helton (3)
2003 #54
2004 #62
2005 #102
Albert Pujols (3)
2008 #58
2009 #88
2003 #135
Tris Speaker* (3)
1916 #60
1920 #112
1912 #117
Rickey Henderson* (3)
1990 #72
1992 #90
1985 #120
Pete Browning (2)
1882 #12
1887 #124
George Brett* (2)
1980 #28
1985 #47
Jim Thome (2)
2002 #35
1996 #132
Cap Anson* (2)
1881 #37
1872 #105
Mark McGwire* (2)
1996 #59
1998 #64
Nap Lajoie* (2)
1910 #77
1904 #143
Eddie Collins* (2)
1915 #133
1914 #152
This chart lists the top 1% of all player-seasons.
Active players in bold, asterisk (*) means HOF.
See historical on-base percentage graph.
Player | Year / Lg | OB% | Z-Score | |
---|---|---|---|---|
1. | Barry Bonds | 2004 NL | .609 | 5.6181 |
2. | Barry Bonds | 2002 NL | .582 | 5.1282 |
3. | Barry Bonds | 2003 NL | .529 | 4.4117 |
4. | Barry Bonds | 2001 NL | .515 | 3.6693 |
5. | Wade Boggs* | 1988 AL | .476 | 3.6397 |
6. | Jason Giambi | 2001 AL | .477 | 3.5031 |
7. | Ross Barnes* | 1876 NL | .462 | 3.4907 |
8. | John McGraw* | 1899 NL | .547 | 3.4865 |
9. | Ted Williams* | 1957 AL | .526 | 3.4703 |
10. | Ted Williams* | 1941 AL | .553 | 3.4581 |
11. | Mickey Mantle* | 1962 AL | .486 | 3.3297 |
12. | Pete Browning | 1882 AA | .430 | 3.3269 |
13. | Babe Ruth* | 1920 AL | .533 | 3.3243 |
14. | Ted Williams* | 1954 AL | .513 | 3.2983 |
15. | Frank Thomas | 1994 AL | .487 | 3.2654 |
16. | Wade Boggs* | 1985 AL | .450 | 3.2504 |
17. | Mickey Mantle* | 1957 AL | .512 | 3.2488 |
18. | Babe Ruth* | 1923 AL | .545 | 3.2475 |
19. | Ted Williams* | 1947 AL | .499 | 3.2195 |
20. | Levi Meyerle | 1871 NA | .500 | 3.1670 |
21. | John Olerud* | 1993 AL | .473 | 3.1663 |
22. | Rogers Hornsby* | 1924 NL | .507 | 3.1660 |
23. | King Kelly* | 1886 NL | .483 | 3.1594 |
24. | Edgar Martinez* | 1995 AL | .479 | 3.1135 |
25. | Manny Ramirez | 2002 AL | .450 | 3.1134 |
26. | Miguel Cabrera | 2011 AL | .448 | 3.0767 |
27. | Jose Bautista | 2011 AL | .447 | 3.0688 |
28. | George Brett* | 1980 AL | .454 | 3.0552 |
29. | Frank Thomas | 1991 AL | .453 | 3.0551 |
30. | Barry Bonds | 2007 NL | .480 | 3.0549 |
31. | Joe Mauer | 2009 AL | .444 | 3.0455 |
32. | Jason Giambi | 2000 AL | .476 | 3.0200 |
33. | Wade Boggs* | 1986 AL | .453 | 3.0181 |
34. | Arky Vaughan* | 1935 NL | .491 | 3.0178 |
35. | Jim Thome | 2002 AL | .445 | 3.0057 |
36. | Chipper Jones | 2008 NL | .470 | 3.0025 |
37. | Cap Anson* | 1881 NL | .442 | 2.9886 |
38. | Norm Cash* | 1961 AL | .487 | 2.9882 |
39. | Ted Williams* | 1946 AL | .497 | 2.9807 |
40. | Fred Dunlap* | 1884 UA | .448 | 2.9707 |
41. | Frank Thomas | 1992 AL | .439 | 2.9625 |
42. | John McGraw* | 1900 NL | .505 | 2.9377 |
43. | Rod Carew* | 1977 AL | .449 | 2.9312 |
44. | Wade Boggs* | 1987 AL | .461 | 2.9266 |
45. | Ty Cobb* | 1910 AL | .456 | 2.9074 |
46. | Tip O'Neill | 1887 AA | .490 | 2.9024 |
47. | George Brett* | 1985 AL | .436 | 2.8960 |
48. | Ted Williams* | 1942 AL | .499 | 2.8873 |
49. | Carlos Delgado | 2000 AL | .470 | 2.8840 |
50. | Jason Giambi | 2005 AL | .440 | 2.8757 |
51. | Wade Boggs* | 1983 AL | .444 | 2.8687 |
52. | Roger Connor* | 1885 NL | .435 | 2.8641 |
53. | Ty Cobb* | 1915 AL | .486 | 2.8458 |
54. | Todd Helton | 2003 NL | .458 | 2.8395 |
55. | Babe Ruth* | 1926 AL | .516 | 2.8369 |
56. | Frank Thomas | 1997 AL | .456 | 2.8361 |
57. | Edgar Martinez* | 1997 AL | .456 | 2.8284 |
58. | Albert Pujols | 2008 NL | .462 | 2.8261 |
59. | Mark McGwire* | 1996 AL | .467 | 2.8257 |
60. | Tris Speaker* | 1916 AL | .470 | 2.8207 |
61. | Ted Williams* | 1958 AL | .458 | 2.8038 |
62. | Todd Helton | 2004 NL | .469 | 2.8015 |
63. | Rod Carew* | 1974 AL | .433 | 2.8013 |
64. | Mark McGwire* | 1998 NL | .470 | 2.7957 |
65. | Toby Harrah* | 1985 AL | .432 | 2.7843 |
66. | Ross Barnes* | 1873 NA | .456 | 2.7797 |
67. | Fred Carroll | 1889 NL | .486 | 2.7763 |
68. | Barry Bonds | 1992 NL | .456 | 2.7654 |
69. | Jason Giambi | 2002 AL | .435 | 2.7654 |
70. | Rogers Hornsby* | 1928 NL | .498 | 2.7615 |
71. | Billy Hamilton* | 1894 NL | .523 | 2.7565 |
72. | Rickey Henderson* | 1990 AL | .439 | 2.7555 |
73. | Edgar Martinez* | 1996 AL | .464 | 2.7506 |
74. | Wade Boggs* | 1989 AL | .430 | 2.7410 |
75. | Babe Ruth* | 1921 AL | .512 | 2.7241 |
76. | Babe Ruth* | 1930 AL | .493 | 2.7171 |
77. | Nap Lajoie* | 1910 AL | .445 | 2.7088 |
78. | Ed Delahanty* | 1895 NL | .500 | 2.7015 |
79. | Ted Williams* | 1949 AL | .490 | 2.6993 |
80. | Ted Williams* | 1956 AL | .479 | 2.6906 |
81. | Paul O'Neill* | 1994 AL | .460 | 2.6862 |
82. | Billy Hamilton* | 1898 NL | .480 | 2.6802 |
83. | Ken Singleton* | 1977 AL | .438 | 2.6777 |
84. | Ted Williams* | 1948 AL | .497 | 2.6746 |
85. | Milton Bradley | 2008 AL | .436 | 2.6728 |
86. | Babe Ruth* | 1931 AL | .495 | 2.6622 |
87. | Ted Williams* | 1951 AL | .464 | 2.6576 |
88. | Albert Pujols | 2009 NL | .443 | 2.6537 |
89. | Frank Thomas | 1996 AL | .459 | 2.6508 |
90. | Rickey Henderson* | 1992 AL | .426 | 2.6421 |
91. | Babe Ruth* | 1924 AL | .513 | 2.6268 |
92. | George Gore | 1880 NL | .399 | 2.6176 |
93. | David Ortiz | 2007 AL | .445 | 2.6166 |
94. | Babe Ruth* | 1932 AL | .489 | 2.6123 |
95. | John McGraw* | 1898 NL | .475 | 2.5979 |
96. | Manny Ramirez | 2000 AL | .457 | 2.5965 |
97. | Alvin Davis | 1989 AL | .424 | 2.5954 |
98. | Frank Thomas | 1995 AL | .454 | 2.5885 |
99. | Richie Ashburn* | 1955 NL | .449 | 2.5871 |
100. | Barry Bonds | 2006 NL | .454 | 2.5775 |
101. | Rogers Hornsby* | 1925 NL | .489 | 2.5726 |
102. | Todd Helton | 2005 NL | .445 | 2.5610 |
103. | Dan Brouthers* | 1886 NL | .445 | 2.5558 |
104. | Barry Bonds | 1993 NL | .458 | 2.5536 |
105. | Cap Anson* | 1872 NA | .455 | 2.5492 |
106. | Mike Hargrove* | 1981 AL | .424 | 2.5451 |
107. | Billy Hamilton* | 1895 NL | .490 | 2.5330 |
108. | Ross Barnes* | 1872 NA | .454 | 2.5325 |
109. | Gary Sheffield | 1996 NL | .465 | 2.5318 |
110. | Tony Phillips* | 1993 AL | .443 | 2.5186 |
111. | Mickey Mantle* | 1958 AL | .443 | 2.5144 |
112. | Tris Speaker* | 1920 AL | .483 | 2.5102 |
113. | Ty Cobb* | 1916 AL | .452 | 2.5065 |
114. | Billy Hamilton* | 1893 NL | .490 | 2.5015 |
115. | Billy Hamilton* | 1891 NL | .453 | 2.4827 |
116. | Edgar Martinez* | 1999 AL | .447 | 2.4802 |
117. | Tris Speaker* | 1912 AL | .464 | 2.4750 |
118. | Manny Ramirez | 2006 AL | .439 | 2.4748 |
119. | Brian Giles | 2002 NL | .450 | 2.4707 |
120. | Rickey Henderson* | 1985 AL | .419 | 2.4697 |
121. | Travis Hafner | 2006 AL | .439 | 2.4669 |
122. | Ty Cobb* | 1913 AL | .467 | 2.4652 |
123. | Joe Morgan* | 1975 NL | .466 | 2.4618 |
124. | Pete Browning | 1887 AA | .464 | 2.4604 |
125. | Dan Brouthers* | 1882 NL | .403 | 2.4563 |
126. | Barry Bonds | 1996 NL | .461 | 2.4538 |
127. | Jesse Burkett* | 1895 NL | .486 | 2.4535 |
128. | Bob Caruthers | 1887 AA | .463 | 2.4495 |
129. | Dan Brouthers* | 1891 AA | .471 | 2.4495 |
130. | Jack Clark* | 1987 NL | .459 | 2.4473 |
131. | Rod Carew* | 1978 AL | .411 | 2.4447 |
132. | Jim Thome | 1996 AL | .450 | 2.4430 |
133. | Eddie Collins* | 1915 AL | .460 | 2.4322 |
134. | Paul Molitor* | 1987 AL | .438 | 2.4307 |
135. | Albert Pujols | 2003 NL | .439 | 2.4275 |
136. | Lance Berkman | 2004 NL | .450 | 2.4268 |
137. | Willie Randolph* | 1980 AL | .427 | 2.4195 |
138. | Mickey Mantle* | 1956 AL | .464 | 2.4164 |
139. | Larry Walker* | 1997 NL | .452 | 2.4130 |
140. | Alex Rodriguez | 2005 AL | .421 | 2.4087 |
141. | George Wright* | 1871 NA | .453 | 2.4073 |
142. | Chuck Knoblauch* | 1996 AL | .448 | 2.4046 |
143. | Nap Lajoie* | 1904 AL | .413 | 2.4038 |
144. | Ed Swartwood | 1883 AA | .394 | 2.4028 |
145. | Dan Brouthers* | 1885 NL | .408 | 2.4027 |
146. | Ferris Fain | 1951 AL | .451 | 2.3993 |
147. | Joe Kelley* | 1894 NL | .502 | 2.3938 |
148. | Larry Walker* | 2001 NL | .449 | 2.3932 |
149. | Willie Randolph* | 1991 AL | .424 | 2.3927 |
150. | Dan Brouthers* | 1889 NL | .462 | 2.3919 |
151. | Tony Gwynn* | 1994 NL | .454 | 2.3870 |
152. | Eddie Collins* | 1914 AL | .452 | 2.3824 |