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.    Tony Blanco * .4875 680 2012  
2.    Jason Heyward * .4805 668 2037  
3.    Jakku Magobei .4799 671 2036  
4.    Jakku Magobei .4788 637 2038  
5.    Albert Credle * .4747 651 2051  
6.    Daric Barton .4728 643 2027  
7.    Alex Aguinaldo * .4688 689 2031  
8.    Chipper Jones * .4675 754 2002  
9.    Vicente Sousa .4663 652 2036  
10.    Vicente Sousa .4658 599 2039  
11.    Tony Blanco * .4642 702 2008  
12.    Jakku Magobei .4640 653 2039  
13.    Vicente Sousa .4634 710 2037  
14.    Chipper Jones * .4624 638 2001  
15.    Federico Leyte .4605 671 2052  
16.    Sal Galaz .4594 677 2052  
17.    Albert Credle * .4594 641 2053  
18.    Dan Spiers .4588 571 2032  
19.    Jason Heyward * .4587 617 2035  
20.    Virgil Harris .4586 665 2036  
21.    Daric Barton .4582 622 2028  
22.    Albert Credle * .4577 674 2046  
23.    Jose Bautista * .4576 695 2047  
24.    Jack Cust .4559 682 2017  
25.    Alex Aguinaldo * .4552 681 2030  
26.    Ronald Corcoran .4538 573 2033  
27.    Jeremy Hermida .4535 624 2022  
28.    Vicente Sousa .4528 709 2041  
29.    Daric Barton .4527 539 2030  
30.    Shinsoo Choo .4524 672 2023  
31.    Kenny Lofton .4523 704 2000  
32.    Elvis Lebel * .4523 723 2038  
33.    Jakku Magobei .4522 575 2041  
34.    Daric Barton .4519 624 2029  
35.    Rex Stokes .4509 692 2052  
36.    Ken Harvey * .4506 668 2023  
37.    Elvis Lebel * .4501 722 2040  
38.    Rocco Baldelli * .4495 763 2010  
39.    Albert Credle * .4487 682 2047  
40.    Rex Stokes .4476 668 2058  
41.    Bill Smothers .4469 546 2047  
42.    Angelo Soto .4468 667 2036  
43.    Manny Ramirez .4464 690 2002  
44.    Billy Hamilton .4462 715 2049  
45.    Albert Credle * .4461 668 2052  
46.    Albert Credle * .4456 663 2054  
47.    Bobby Abreu .4455 708 2008  
48.    Glenn Archer .4454 696 2017  
49.    Simeon Alvarez .4453 680 2049  
50.    William Little .4443 675 2048  
51.    Bryan Anderson .4439 633 2041  
52.    Samuel Maldonado .4437 607 2024  
53.    Gale Liverman .4435 672 2051  
54.    Jason Kendall .4424 611 2002  
55.    Tony Blanco * .4424 694 2007  
56.    Jeff Bagwell .4422 692 2006  
57.    William Rowell * .4422 683 2038  
58.    Kieth Roudebush .4420 648 2041  
59.    Tony Blanco * .4419 700 2004  
60.    Ian Kinsler .4419 688 2051  
  Ray Pooley .4419 646 2025  
62.    Jason Heyward * .4414 648 2036  
63.    Landon Powell .4411 638 2030  
64.    Tony Blanco * .4410 704 2014  
65.    Jacoby Ellsbury .4403 592 2036  
66.    Rocco Baldelli * .4402 711 2006  
67.    Tony Blanco * .4402 652 2011  
68.    Albert Credle * .4399 666 2048  
69.    Rocco Baldelli * .4399 582 2015  
70.    Albert Credle * .4398 664 2042  
  John Olerud .4398+ 501 2007  
72.    Alex Aguinaldo * .4396 671 2035  
73.    Mikihisa Shingen .4396 530 2024  
74.    Tony Blanco * .4396 687 2015  
75.    Dan Johnson .4396 728 2026  
76.    Jose Bautista * .4395 703 2048  
77.    John Olerud .4395 521 2001  
78.    Manny Ramirez .4395 562 2004  
79.    Vicente Sousa .4394 701 2042  
80.    Brian S. Giles .4393 710 2001  
81.    Simeon Alvarez .4390 574 2041  
82.    Bobby Abreu .4388 748 2005  
83.    Billy Gifford .4387 693 2030  
84.    Louis Heskett .4383 527 2027  
85.    Jakku Magobei .4381 662 2040  
86.    Alberto Lazo .4379 717 2041  
87.    Vicente Sousa .4378 747 2040  
88.    Manny Ramirez .4376 713 2005  
89.    Justin Caswell * .4376 729 2052  
90.    Robert Stubbs .4374 663 2033  
91.    Rene Tosoni .4370 643 2060  
92.    Jacinto Santamaria .4370 508 2036  
93.    Bryan Anderson .4366 513 2036  
94.    Rex Stokes .4363 667 2049  
95.    Jakku Magobei .4362 596 2042  
96.    Manny Ramirez .4359 687 2001  
97.    Bobby Abreu .4354 674 2001  
98.    Jack Cust .4354 650 2012  
99.    Troy Freeman .4352 671 2028  
100.    Elvis Lebel * .4351 717 2035