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| First Basemen Single-Season Errors Leaderboard | |
| * - Indicates Hall of Fame |
| Rank | Player | Errors | IP | Year | Career Leaderboard |
| 1. | Fred Mahaffey | 3 | 1203.7 | 1993 | |
| Ted Sale | 3 | 1293.3 | 1989 | ||
| Ted Sale | 3 | 1333.7 | 1987 | ||
| Randy Spratt | 3 | 1232.7 | 1984 | ||
| Luis Abdullah | 3 | 1155.7 | 1983 | ||
| Dood Walters | 3 | 1090.9 | 1975 | ||
| Clue Heywood | 3 | 1305.7 | 1974 | ||
| 8. | Randy Spratt | 4 | 1208.7 | 1991 | |
| Luis Abdullah | 4 | 1008.6 | 1988 | ||
| Clue Heywood | 4 | 1186.4 | 1977 | ||
| Clue Heywood | 4 | 1314.3 | 1975 | ||
| Bill Bickerstaf | 4 | 973.3 | 1974 | ||
| Tom Allnit | 4 | 983.3 | 1973 | ||
| 14. | Terry Franciscen | 5 | 1340.6 | 1993 | |
| Randy Spratt | 5 | 1148.0 | 1989 | ||
| Hank Baez | 5 | 1048.3 | 1989 | ||
| Red Leinenkugel | 5 | 1020.7 | 1989 | ||
| Jason Bilford | 5 | 1299.7 | 1986 | ||
| Fred Mahaffey | 5 | 1334.3 | 1983 | ||
| Willy Moore | 5 | 1292.0 | 1980 | ||
| Bradley Malbrough | 5 | 1128.3 | 1978 | ||
| Eddie Jarman | 5 | 1321.3 | 1977 | ||
| Tom Allnit | 5 | 1049.7 | 1976 | ||
| Phil Millbauer | 5 | 1011.3 | 1975 | ||
| Nick Chumley | 5 | 1073.3 | 1973 | ||
| 26. | Chick Hustle | 6 | 1292.3 | 1993 | |
| Billy Wilson | 6 | 1340.3 | 1990 | ||
| Fred Mahaffey | 6 | 1318.3 | 1990 | ||
| Flavio Luna | 6 | 1241.3 | 1990 | ||
| Randy Spratt | 6 | 1316.3 | 1987 | ||
| Randy Bass | 6 | 1086.3 | 1985 | ||
| Bryan Polinski | 6 | 1086.0 | 1985 | ||
| Bombo Vadabonceour * | 6 | 1307.3 | 1984 | ||
| Joe Farner | 6 | 1241.0 | 1983 | ||
| Steve Perreault | 6 | 1301.0 | 1982 | ||
| Joe Farner | 6 | 1296.0 | 1982 | ||
| Nolan Berran | 6 | 1103.0 | 1982 | ||
| Willy Moore | 6 | 1274.7 | 1981 | ||
| Tim Lashes | 6 | 1034.0 | 1980 | ||
| Tim Lashes | 6 | 1100.3 | 1978 | ||
| Lou Collins | 6 | 1290.0 | 1975 | ||
| Bo Jordan | 6 | 1168.3 | 1975 | ||
| Victor Suniga | 6 | 1083.3 | 1974 | ||
| Jerome McDunnell | 6 | 1032.0 | 1974 | ||
| 45. | Dave Manzanillo | 7 | 1267.3 | 1994 | |
| Akiru Matsumoto | 7 | 1309.0 | 1992 | ||
| Chris Manush | 7 | 1057.7 | 1991 | ||
| Terry Franciscen | 7 | 1310.0 | 1990 | ||
| Joe Belinda | 7 | 1193.7 | 1990 | ||
| Billy Wilson | 7 | 1287.0 | 1988 | ||
| Bombo Vadabonceour * | 7 | 1204.7 | 1988 | ||
| Nolan Berran | 7 | 1300.0 | 1987 | ||
| Bombo Vadabonceour * | 7 | 1339.7 | 1985 | ||
| Clue Heywood | 7 | 1149.0 | 1981 | ||
| James Jordan | 7 | 1115.0 | 1981 | ||
| Robert Huffman | 7 | 1295.7 | 1980 | ||
| Mickey Masutto | 7 | 1008.0 | 1980 | ||
| Anthony Shippee | 7 | 1335.7 | 1979 | ||
| Jeff Lebertall | 7 | 1183.3 | 1979 | ||
| Rick Habin | 7 | 1106.3 | 1979 | ||
| James Jordan | 7 | 1043.0 | 1977 | ||
| Bo Jordan | 7 | 1307.3 | 1976 | ||
| Clue Heywood | 7 | 1291.7 | 1976 | ||
| Al Niden | 7 | 1264.0 | 1976 | ||
| Bob Oberdorsten | 7 | 1232.7 | 1975 | ||
| Jerome McDunnell | 7 | 1047.7 | 1975 | ||
| Dhani Yetnikoff | 7 | 1189.3 | 1974 | ||
| Rick Habin | 7 | 1418.7 | 1973 | ||
| Phil Millbauer | 7 | 1367.7 | 1973 | ||
| Jesus Clemente | 7 | 1099.0 | 1973 | ||
| 71. | Ted Sale | 8 | 1326.7 | 1994 | |
| Terry Franciscen | 8 | 1125.3 | 1994 | ||
| Red Leinenkugel | 8 | 1022.3 | 1994 | ||
| Ted Sale | 8 | 1150.7 | 1993 | ||
| Benjamin Rivero | 8 | 1034.0 | 1993 | ||
| Terry Franciscen | 8 | 1285.3 | 1992 | ||
| Mike Senne | 8 | 1175.7 | 1992 | ||
| Flavio Luna | 8 | 1294.3 | 1991 | ||
| Randy Spratt | 8 | 1278.0 | 1990 | ||
| Clint Hurdle | 8 | 1065.3 | 1989 | ||
| Terry Franciscen | 8 | 1337.0 | 1988 | ||
| Fred Mahaffey | 8 | 1328.0 | 1988 | ||
| Nolan Berran | 8 | 1276.0 | 1988 | ||
| Jimmy Dugan | 8 | 1272.3 | 1988 | ||
| Jed Johnson | 8 | 1228.3 | 1988 | ||
| Jason Justice | 8 | 1320.7 | 1987 | ||
| Jeff Wachowski | 8 | 1304.7 | 1986 | ||
| Bombo Vadabonceour * | 8 | 1290.3 | 1986 | ||
| Tim Lashes | 8 | 1069.7 | 1984 | ||
| Bryan Polinski | 8 | 1309.0 | 1983 | ||
| Randy Spratt | 8 | 1244.7 | 1981 | ||
| Tony Solaita | 8 | 981.3 | 1981 | ||
| Clue Heywood | 8 | 1166.7 | 1980 | ||
| Fred Mahaffey | 8 | 1075.3 | 1980 | ||
| Brandon Pearce | 8 | 1042.6 | 1980 | ||
| Brandon Pearce | 8 | 1329.3 | 1979 | ||
| Al Dicken | 8 | 1070.7 | 1979 | ||
| James Jordan | 8 | 1184.3 | 1978 | ||
| Jason Bilford | 8 | 1346.7 | 1976 | ||
| James Jordan | 8 | 1331.0 | 1976 |
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