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| Third Basemen Single-Season Batting Average Leaderboard | |
| * - Indicates Hall of Fame
+ - indicates hit-less at-bats added to meet 502PA requirement. |
| Rank | Player | Batting Average | PA | Year | |
| 1. | Orlando Marquez | .3718 | 642 | 1948 | |
| 2. | Orlando Marquez | .3532 | 723 | 1950 | |
| 3. | Bobby Zendejas | .3425 | 526 | 1947 | |
| 4. | Orlando Marquez | .3339 | 686 | 1949 | |
| 5. | Joseph Rosado | .3309 | 642 | 1947 | |
| 6. | Michael Duncanson | .3301 | 687 | 1949 | |
| 7. | Mark Browne | .3261 | 668 | 1947 | |
| 8. | Mark Browne | .3237 | 660 | 1950 | |
| 9. | Mark Browne | .3186 | 644 | 1949 | |
| 10. | Jose Sanchez | .3151 | 660 | 1950 | |
| 11. | John Lucas | .3118 | 618 | 1949 | |
| 12. | Joseph Rosado | .3108 | 645 | 1948 | |
| 13. | Sean Brinkerhoff | .3092 | 690 | 1949 | |
| 14. | Luis Rosenblatt | .3089 | 679 | 1949 | |
| 15. | Richard Raynor | .3081 | 603 | 1950 | |
| 16. | Joseph Rosado | .3080 | 692 | 1949 | |
| 17. | Luis Rosenblatt | .3058 | 674 | 1948 | |
| 18. | Luis Rosenblatt | .3035 | 663 | 1947 | |
| 19. | Jacky Baeza | .3032 | 672 | 1950 | |
| 20. | Jose Sanchez | .3022 | 647 | 1949 | |
| 21. | Brian Thompson | .2975 | 545 | 1948 | |
| 22. | Jacky Baeza | .2972 | 678 | 1948 | |
| 23. | Max Acuņa | .2970 | 644 | 1949 | |
| 24. | Mark Browne | .2968 | 605 | 1948 | |
| 25. | Jacky Baeza | .2959 | 672 | 1947 | |
| 26. | Bobby Zendejas | .2948 | 607 | 1949 | |
| 27. | Jose Sanchez | .2934 | 633 | 1948 | |
| 28. | Sean Brinkerhoff | .2928 | 698 | 1947 | |
| 29. | Michael Duncanson | .2927 | 683 | 1948 | |
| 30. | Elmer Stromain | .2880 | 588 | 1950 | |
| 31. | Jacky Baeza | .2877 | 668 | 1949 | |
| 32. | Jose Sanchez | .2874 | 644 | 1947 | |
| 33. | Bobby Zendejas | .2860+ | 459 | 1948 | |
| 34. | Dave Romeo | .2860 | 684 | 1948 | |
| 35. | Leonard Ware | .2852 | 635 | 1950 | |
| 36. | Max Acuņa | .2849 | 579 | 1947 | |
| 37. | Sean Brinkerhoff | .2838 | 648 | 1950 | |
| 38. | Sean Brinkerhoff | .2835 | 651 | 1948 | |
| 39. | Christopher Rohde | .2831 | 530 | 1949 | |
| 40. | Luis Rosenblatt | .2826 | 661 | 1950 | |
| 41. | Michael Duncanson | .2812 | 626 | 1947 | |
| 42. | James Ethier | .2800 | 624 | 1950 | |
| Jose Carbonell | .2800 | 659 | 1947 | ||
| 44. | Lloyd Wall | .2799 | 593 | 1949 | |
| 45. | Eric Salas | .2769 | 626 | 1947 | |
| 46. | Jose Carbonell | .2764 | 609 | 1948 | |
| 47. | Joseph Rosado | .2756 | 688 | 1950 | |
| 48. | Jose Carbonell | .2752 | 720 | 1950 | |
| 49. | Max Acuņa | .2744 | 660 | 1950 | |
| 50. | James Ethier | .2739 | 620 | 1949 | |
| 51. | Brian Thompson | .2710+ | 498 | 1949 | |
| 52. | Lloyd Wall | .2700 | 637 | 1948 | |
| 53. | David Shoaf | .2688 | 607 | 1948 | |
| 54. | Dave Romeo | .2662 | 560 | 1947 | |
| 55. | Bradley Forgey | .2662 | 624 | 1947 | |
| 56. | Eric Salas | .2640 | 627 | 1948 | |
| 57. | Richard Raynor | .2635+ | 459 | 1947 | |
| 58. | Bob Yingling | .2634+ | 486 | 1947 | |
| 59. | Paul South | .2632 | 564 | 1950 | |
| 60. | Richard Raynor | .2592 | 608 | 1948 | |
| 61. | Dave Romeo | .2589 | 600 | 1949 | |
| 62. | Craig Calvin | .2574+ | 456 | 1949 | |
| 63. | Max Acuņa | .2505 | 597 | 1948 | |
| 64. | Jose Carbonell | .2491 | 622 | 1949 | |
| 65. | Michael Longoria | .2490+ | 411 | 1950 | |
| 66. | Lloyd Wall | .2486 | 588 | 1950 | |
| 67. | Eric Salas | .2483 | 675 | 1949 | |
| 68. | Eric Salas | .2483 | 656 | 1950 | |
| 69. | Michael Fraser | .2427 | 527 | 1949 | |
| 70. | James Ethier | .2414 | 563 | 1947 | |
| 71. | Michael Fraser | .2397+ | 456 | 1948 | |
| 72. | Michael Longoria | .2394+ | 404 | 1949 | |
| 73. | John Lucas | .2380+ | 334 | 1948 | |
| 74. | Michael Duncanson | .2367+ | 406 | 1950 | |
| 75. | Paul South | .2362 | 579 | 1949 | |
| 76. | James Ethier | .2338 | 609 | 1948 | |
| 77. | John Lucas | .2290+ | 421 | 1950 | |
| 78. | Alonso Gonzalez | .2216 | 597 | 1947 | |
| 79. | Craig Calvin | .2215+ | 446 | 1947 | |
| 80. | Richard Raynor | .2208 | 584 | 1949 | |
| 81. | Brian Thompson | .2122+ | 367 | 1947 | |
| 82. | Arthur Sims | .2102+ | 363 | 1950 | |
| 83. | David Bachand | .2066 | 532 | 1950 | |
| 84. | Michael Fraser | .1919+ | 432 | 1947 | |
| 85. | Paul Oberry | .1902+ | 344 | 1947 | |
| 86. | David Shoaf | .1841+ | 376 | 1947 | |
| 87. | Craig Calvin | .1795+ | 365 | 1948 | |
| 88. | George Font | .1767+ | 460 | 1949 |
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