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| First Basemen Single-Season Errors Leaderboard | |
| * - Indicates Hall of Fame |
| Rank | Player | Errors | IP | Year | |
| 1. | Bill Marquardt | 3 | 1128.7 | 1947 | |
| 2. | Allan Dickerson | 5 | 1355.3 | 1948 | |
| Allan Dickerson | 5 | 1365.7 | 1947 | ||
| Rupert McKown | 5 | 1194.7 | 1947 | ||
| 5. | Russell Christman | 6 | 1117.7 | 1949 | |
| 6. | Russell Christman | 7 | 1310.7 | 1950 | |
| Bill Marquardt | 7 | 1195.0 | 1949 | ||
| Zacarias Morales | 7 | 1173.3 | 1949 | ||
| Seth Uribe | 7 | 1339.3 | 1947 | ||
| Alonzo Zendejas | 7 | 1279.0 | 1947 | ||
| 11. | William Barnwell | 8 | 1123.3 | 1950 | |
| Leon Rebello | 8 | 1324.3 | 1949 | ||
| Trevor Maury | 8 | 1328.3 | 1947 | ||
| John To | 8 | 1312.3 | 1947 | ||
| 15. | Howard Goldston | 9 | 1220.7 | 1950 | |
| Sean Hawk | 9 | 1108.3 | 1950 | ||
| Neil Williams | 9 | 1443.7 | 1949 | ||
| Todd Ryerson | 9 | 1364.0 | 1948 | ||
| Rupert McKown | 9 | 1352.3 | 1948 | ||
| Leon Rebello | 9 | 1301.3 | 1948 | ||
| Russell Christman | 9 | 1333.7 | 1947 | ||
| 22. | Alonzo Zendejas | 10 | 1303.7 | 1950 | |
| Todd Ryerson | 10 | 1288.3 | 1950 | ||
| Sean Hawk | 10 | 1303.7 | 1949 | ||
| Howard Goldston | 10 | 1019.0 | 1949 | ||
| Neil Williams | 10 | 1441.0 | 1948 | ||
| Russell Christman | 10 | 1345.7 | 1948 | ||
| Joel Oliveira | 10 | 1273.3 | 1947 | ||
| 29. | Rupert McKown | 11 | 1305.3 | 1949 | |
| Todd Ryerson | 11 | 1165.3 | 1949 | ||
| Joel Oliveira | 11 | 1421.3 | 1948 | ||
| Trevor Maury | 11 | 1246.0 | 1948 | ||
| Joseph White | 11 | 1201.3 | 1947 | ||
| Daniel Wilson | 11 | 976.3 | 1947 | ||
| 35. | Jack Lieberman | 12 | 1345.7 | 1950 | |
| Leon Rebello | 12 | 1317.7 | 1950 | ||
| Allan Dickerson | 12 | 1347.7 | 1949 | ||
| Alonzo Zendejas | 12 | 1342.7 | 1948 | ||
| William Barnwell | 12 | 1257.0 | 1948 | ||
| Bill Marquardt | 12 | 1231.0 | 1948 | ||
| Daniel Tague | 12 | 1008.7 | 1948 | ||
| 42. | Allan Dickerson | 13 | 1332.7 | 1950 | |
| Daniel Tague | 13 | 1341.7 | 1949 | ||
| Alonzo Zendejas | 13 | 1316.3 | 1949 | ||
| Jack Lieberman | 13 | 1272.7 | 1949 | ||
| John To | 13 | 1312.0 | 1948 | ||
| Sean Hawk | 13 | 1294.3 | 1947 | ||
| 48. | Daniel Tague | 14 | 1411.0 | 1950 | |
| William Barnwell | 14 | 1316.3 | 1949 | ||
| Daniel Armstead | 14 | 1333.0 | 1948 | ||
| 51. | Alvin Chao | 15 | 1449.3 | 1950 | |
| Daniel Armstead | 15 | 1318.7 | 1950 | ||
| Todd Ryerson | 15 | 1316.7 | 1947 | ||
| 54. | Howard Goldston | 16 | 1115.7 | 1948 | |
| Leon Rebello | 16 | 1303.7 | 1947 | ||
| 56. | Rupert McKown | 17 | 1295.7 | 1950 | |
| 57. | David Boyer | 18 | 1244.3 | 1950 | |
| Daniel Armstead | 18 | 1318.3 | 1949 | ||
| Sean Hawk | 18 | 1307.7 | 1948 | ||
| Daniel Armstead | 18 | 1340.3 | 1947 |
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