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| First Basemen Single-Season At-Bats Leaderboard | |
| * - Indicates Hall of Fame |
| Rank | Player | At-Bats | PA | Year | Career Leaderboard |
| 1. | Tyler Utah | 668 | 709 | 2001 | |
| 2. | Howard Lovecraft | 658 | 705 | 2017 | |
| 3. | Roberto Echegaray | 651 | 707 | 2021 | |
| Hugo Grimm | 651 | 706 | 2001 | ||
| 5. | Hugo Grimm | 650 | 708 | 2000 | |
| 6. | Ed Abrams | 648 | 725 | 2026 | |
| 7. | Luis Rodriguez | 646 | 689 | 2028 | |
| David Occhipinti | 646 | 690 | 2024 | ||
| 9. | Roberto Echegaray | 643 | 702 | 2025 | |
| 10. | Jimmie Davis * | 637 | 713 | 2001 | |
| 11. | Roberto Echegaray | 632 | 690 | 2020 | |
| 12. | Howard Lovecraft | 630 | 675 | 2016 | |
| 13. | Tyler Utah | 629 | 661 | 2003 | |
| 14. | Hal Rehm | 627 | 691 | 2020 | |
| 15. | James Roselli | 626 | 682 | 2001 | |
| 16. | William McCroskey | 625 | 681 | 2023 | |
| Paco Andujar | 625 | 666 | 2015 | ||
| 18. | Robert Killian | 624 | 664 | 2024 | |
| Curtis Kulp | 624 | 690 | 2023 | ||
| Winston Pearl | 624 | 676 | 2023 | ||
| 21. | Donnie Loftin | 621 | 652 | 2019 | |
| Richard Willie | 621 | 669 | 2000 | ||
| 23. | Hal Rehm | 620 | 704 | 2019 | |
| 24. | Jose Rojas | 619 | 665 | 2007 | |
| Ron Brenton | 619 | 704 | 2001 | ||
| 26. | Roberto Echegaray | 617 | 669 | 2018 | |
| Graham Brown | 617 | 673 | 2000 | ||
| 28. | Tyrell Silvera Jr | 616 | 658 | 2024 | |
| Nobukazu Takemura | 616 | 695 | 2004 | ||
| Tyler Utah | 616 | 672 | 2000 | ||
| 31. | Michael Cadiz | 614 | 686 | 2029 | |
| Ed Abrams | 614 | 682 | 2025 | ||
| Jarvis Holeman | 614 | 720 | 2014 | ||
| Aragorn King * | 614 | 666 | 2014 | ||
| 35. | Renaldo Loera | 613 | 702 | 2001 | |
| 36. | Ed Abrams | 612 | 671 | 2027 | |
| Robert Killian | 612 | 645 | 2027 | ||
| Felix Atkinson | 612 | 700 | 2001 | ||
| Renaldo Loera | 612 | 685 | 2000 | ||
| 40. | James Schlemmer | 611 | 689 | 2024 | |
| Johnny Carmona | 611 | 633 | 2013 | ||
| Aragorn King * | 611 | 646 | 2011 | ||
| 43. | Leonardo De La Rosa | 610 | 659 | 2028 | |
| Howard Lovecraft | 610 | 656 | 2021 | ||
| 45. | Renaldo Loera | 609 | 670 | 2005 | |
| Renaldo Loera | 609 | 671 | 2004 | ||
| Ben Perez | 609 | 670 | 2004 | ||
| 48. | Gino Vera | 608 | 663 | 2019 | |
| Ben Perez | 608 | 656 | 2003 | ||
| Terrance Minor | 608 | 703 | 2001 | ||
| 51. | Ed Abrams | 607 | 662 | 2022 | |
| John Howard | 607 | 659 | 2013 | ||
| 53. | Ed Abrams | 606 | 668 | 2029 | |
| Roberto Echegaray | 606 | 661 | 2019 | ||
| Howard Lovecraft | 606 | 641 | 2014 | ||
| 56. | Howard Lovecraft | 605 | 642 | 2013 | |
| Jimmie Davis * | 605 | 700 | 2000 | ||
| 58. | Austin Legend | 604 | 643 | 2027 | |
| Luis Rodriguez | 604 | 651 | 2026 | ||
| Robert Killian | 604 | 653 | 2022 | ||
| Antonio Herrera | 604 | 694 | 2009 | ||
| Felix Atkinson | 604 | 661 | 2003 | ||
| 63. | Hal Rehm | 603 | 677 | 2018 | |
| Richard Willie | 603 | 644 | 2004 | ||
| 65. | Leonardo De La Rosa | 602 | 663 | 2029 | |
| Luis Rodriguez | 602 | 653 | 2019 | ||
| 67. | Ernie Lester | 601 | 655 | 2022 | |
| Steve McLaughlin | 601 | 664 | 2019 | ||
| Jose Rojas | 601 | 661 | 2014 | ||
| Jarvis Holeman | 601 | 712 | 2013 | ||
| Renaldo Loera | 601 | 657 | 2007 | ||
| 72. | John Palomar | 600 | 639 | 2018 | |
| Antonio Herrera | 600 | 654 | 2011 | ||
| Leon Brouwer | 600 | 651 | 2005 | ||
| 75. | Howard Lovecraft | 599 | 643 | 2020 | |
| Cassius Money | 599 | 638 | 2018 | ||
| Renaldo Loera | 599 | 652 | 2003 | ||
| Graham Brown | 599 | 644 | 2001 | ||
| 79. | Howard Lovecraft | 598 | 642 | 2019 | |
| Howard Lovecraft | 598 | 643 | 2018 | ||
| 81. | Luis Rodriguez | 597 | 661 | 2022 | |
| John Ransom | 597 | 673 | 2019 | ||
| 83. | Ed Abrams | 596 | 650 | 2028 | |
| Luis Rodriguez | 596 | 640 | 2027 | ||
| Austin Legend | 596 | 637 | 2026 | ||
| Luis Rodriguez | 596 | 647 | 2024 | ||
| Carl Wesolowski | 596 | 670 | 2006 | ||
| 88. | Robert Killian | 595 | 630 | 2025 | |
| William McCroskey | 595 | 647 | 2024 | ||
| Jose Rojas | 595 | 644 | 2009 | ||
| 91. | Jeff Giles | 594 | 643 | 2029 | |
| Luis Rodriguez | 594 | 632 | 2029 | ||
| Robert Killian | 594 | 638 | 2023 | ||
| Johnny Carmona | 594 | 636 | 2014 | ||
| Aragorn King * | 594 | 646 | 2005 | ||
| Richard Willie | 594 | 658 | 2001 | ||
| 97. | Paco Andujar | 593 | 650 | 2016 | |
| 98. | Thad Hambro | 592 | 700 | 2029 | |
| Austin Legend | 592 | 639 | 2029 | ||
| Cole Watterson | 592 | 641 | 2024 |
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