First Basemen Single-Season
On-Base Pct
Leaderboard
 
* - Indicates Hall of Fame
+ - indicates hit-less at-bats added to meet 502PA requirement.
Rank    Player On-Base Pct PA Year Career Leaderboard
1.    Hank Hulvey .4925 681 1924  
2.    Hank Hulvey .4888 711 1925  
3.    Hank Hulvey .4854 663 1929  
4.    Hank Hulvey .4724 682 1926  
5.    Hank Hulvey .4532 635 1928  
6.    Hank Hulvey .4517 594 1927  
7.    Tim Jordan .4341 539 1912  
8.    Dan McGann .4281 605 1903  
9.    Harry Hooper * .4246 643 1913  
10.    Joe Judge .4237 532 1921  
11.    Jack Fournier .4228 620 1918  
12.    Tim Jordan .4208 610 1909  
13.    Tim Jordan .4205 620 1907  
14.    Harry Hooper * .4193 602 1911  
15.    Lou Gehrig .4178 639 1929  
16.    Tim Jordan .4162 581 1915  
17.    Harry Hooper * .4146 644 1916  
18.    George Sisler .4144 654 1925  
19.    Buck Freeman .4122 575 1901  
20.    Lou Gehrig .4099 584 1924  
21.    Stuffy McInnis .4079 630 1912  
22.    Harry Hooper * .4068 591 1922  
23.    Cy Seymour .4066 576 1903  
24.    Lou Gehrig .4066 637 1925  
25.    George Carr .4044 675 1923  
26.    Harry Hooper * .4042 668 1914  
27.    George Grantham .4039 620 1926  
28.    Jimmy Hudgens .4028 576 1928  
29.    Jack Fournier .4020 607 1915  
30.    Frank Isbell .4017 597 1903  
31.    Jake Daubert .4004+ 485 1911  
32.    Dave Bancroft .4000 507 1923  
  Tim Jordan .4000 635 1910  
  Joe Kelley .4000 605 1903  
35.    Joe Judge .3993 615 1920  
36.    Jimmy Hudgens .3990 599 1927  
37.    Buck Freeman .3986 592 1903  
38.    Joe Judge .3984+ 497 1922  
  Tim Jordan .3984+ 498 1913  
40.    Jack Fournier .3980 510 1921  
41.    Paul Waner .3967 608 1929  
42.    Dick Hoblitzel .3948 505 1912  
43.    Mike Grady .3947 604 1903  
44.    Joe Kelley .3939 657 1904  
45.    Paul Waner .3938 616 1927  
46.    Tim Jordan .3937 635 1914  
47.    George Grantham .3936 593 1928  
48.    George Sisler .3934 633 1920  
49.    Bill Mellor .3931 613 1904  
50.    Harry Hooper * .3912 525 1921  
51.    Joe Judge .3903 548 1919  
52.    Tim Jordan .3899 638 1911  
53.    John Anderson .3889 558 1901  
54.    Harry Hooper * .3884 636 1917  
55.    George Sisler .3883 615 1921  
56.    George Grantham .3880 587 1923  
57.    George Sisler .3878 655 1922  
58.    Jack Fournier .3872 594 1920  
59.    Harry Hooper * .3872 515 1919  
60.    Joe Kelley .3870 635 1905  
61.    Lou Gehrig .3870 646 1928  
62.    Del Bissonette .3859 583 1929  
63.    Jim Bottomley .3854 649 1923  
64.    Jack Fournier .3847 590 1916  
65.    Jimmy Hudgens .3841 591 1926  
66.    Lu Blue .3839 564 1924  
67.    Lou Gehrig .3838 628 1926  
68.    Bill Kelly .3836 611 1926  
69.    Harry Hooper * .3832 608 1910  
70.    Tim Jordan .3831 600 1906  
71.    Fred Luderus .3830 624 1913  
72.    Josh Devore .3829 639 1920  
73.    Buck Leonard .3826 612 1928  
74.    George Grantham .3825 617 1927  
75.    Dave Bancroft .3822 530 1924  
76.    Tim Jordan .3821 655 1908  
77.    Fred Luderus .3820 623 1912  
78.    George Grantham .3816 610 1925  
79.    George Sisler .3813 634 1917  
80.    Jack Fournier .3813 536 1923  
81.    Yam Yaryan .3803 548 1922  
82.    George Grantham .3798 595 1924  
83.    Ivy Griffin .3795 585 1923  
84.    George Carr .3789 570 1927  
85.    Jimmy Hudgens .3785+ 472 1923  
86.    Jim Bottomley .3785 652 1924  
87.    Jake Beckley .3783 601 1903  
88.    Jim Bottomley .3783 649 1922  
89.    Dale Alexander .3780 626 1929  
90.    Jimmy Hudgens .3775 506 1924  
91.    Jack Fournier .3765+ 490 1919  
92.    Russ Wrightstone .3763 574 1920  
93.    John Anderson .3760 602 1903  
94.    Kitty Bransfield .3755 522 1903  
95.    Bill Kelly .3746 638 1925  
96.    Bill Terry .3745+ 487 1929  
  Jimmy O'Connell .3745+ 485 1925  
98.    Jack Fournier .3743 555 1912  
99.    George Grantham .3729 584 1929  
100.    Joe Kelley .3725 561 1902