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| Single-Season Homeruns Allowed Leaderboard | |
| * - Indicates Hall of Fame |
| Rank | Player | Homeruns Allowed | IP | Year | Career Leaderboard |
| 1. | Roy Raleigh | 60 | 195.0 | 1986 | |
| 2. | Cesar Tostado | 55 | 250.7 | 1975 | |
| 3. | Don Lombardo | 53 | 225.7 | 1986 | |
| 4. | Manuel Calavera | 52 | 196.0 | 1986 | |
| Joseph Porter | 52 | 228.0 | 1975 | ||
| 6. | Guy Dall | 50 | 179.7 | 1987 | |
| 7. | Manuel Calavera | 49 | 167.3 | 1987 | |
| 8. | Richie Lake | 48 | 166.3 | 1986 | |
| Mike Madorin | 48 | 222.7 | 1973 | ||
| 10. | Francis Szabo | 47 | 192.3 | 1984 | |
| Jose Ramos | 47 | 247.0 | 1978 | ||
| 12. | Ed Ostrosser | 46 | 185.7 | 1987 | |
| Kyle Claiborne | 46 | 220.3 | 1986 | ||
| Ed Ostrosser | 46 | 211.7 | 1986 | ||
| Roy Anderson | 46 | 242.7 | 1977 | ||
| Greg Doonin | 46 | 270.3 | 1974 | ||
| 17. | Albert Camarena | 45 | 197.3 | 1986 | |
| Francis Szabo | 45 | 212.0 | 1981 | ||
| Joseph Porter | 45 | 205.7 | 1976 | ||
| 20. | Henry Ellis | 44 | 221.7 | 1993 | |
| Jose Ramos | 44 | 220.0 | 1990 | ||
| Drew Triggs | 44 | 205.7 | 1988 | ||
| Mark Palmer | 44 | 223.0 | 1975 | ||
| Jon Henry Gold | 44 | 199.3 | 1973 | ||
| 25. | Phil Longwell | 43 | 200.0 | 1985 | |
| Cesar Tostado | 43 | 189.7 | 1976 | ||
| 27. | Tenchi Masaki | 42 | 208.3 | 1987 | |
| Roy Raleigh | 42 | 195.7 | 1987 | ||
| Richie Lake | 42 | 188.0 | 1987 | ||
| Cesar Tostado | 42 | 228.0 | 1980 | ||
| Ed Ostrosser | 42 | 269.7 | 1979 | ||
| Burbo Awaradardo | 42 | 206.7 | 1975 | ||
| Larry Gorton | 42 | 256.3 | 1974 | ||
| Larry Gorton | 42 | 154.3 | 1973 | ||
| 35. | Greg Alexander | 41 | 175.7 | 1994 | |
| Ramon Cisneros | 41 | 191.0 | 1993 | ||
| Guy Dall | 41 | 180.0 | 1990 | ||
| Emile Yost | 41 | 216.0 | 1988 | ||
| Frank Tanana | 41 | 208.7 | 1987 | ||
| Al Bowsfield | 41 | 208.3 | 1987 | ||
| Lincoln Hoots | 41 | 202.7 | 1987 | ||
| Denny Gonzales | 41 | 161.7 | 1987 | ||
| Todd Adams | 41 | 271.7 | 1985 | ||
| Todd Adams | 41 | 225.3 | 1984 | ||
| Hayden Finch | 41 | 212.3 | 1984 | ||
| Lincoln Hoots | 41 | 250.0 | 1982 | ||
| Jose Ramos | 41 | 239.3 | 1979 | ||
| Terrence Williams | 41 | 280.3 | 1978 | ||
| Francis Szabo | 41 | 268.0 | 1977 | ||
| Jerome Winter | 41 | 247.0 | 1974 | ||
| Arky Mooris | 41 | 245.7 | 1973 | ||
| Greg Doonin | 41 | 227.7 | 1973 | ||
| 53. | Lincoln Hoots | 40 | 170.3 | 1983 | |
| David Lillis | 40 | 222.7 | 1980 | ||
| Junior Gomez | 40 | 299.0 | 1977 | ||
| Mike Madorin | 40 | 282.3 | 1975 | ||
| Zachary Sumner | 40 | 214.7 | 1973 | ||
| 58. | Robert Grove | 39 | 210.7 | 1994 | |
| Bill Microsoft | 39 | 157.7 | 1991 | ||
| Dominick Noble | 39 | 175.3 | 1987 | ||
| Don Lombardo | 39 | 130.0 | 1987 | ||
| Luther Zick | 39 | 193.0 | 1986 | ||
| Roy Anderson | 39 | 252.7 | 1979 | ||
| John Mahar | 39 | 221.0 | 1979 | ||
| J.R. Riles | 39 | 207.3 | 1974 | ||
| Pete Bucher | 39 | 251.0 | 1973 | ||
| 67. | John Davis | 38 | 213.3 | 1993 | |
| Jp Morgan | 38 | 212.3 | 1993 | ||
| Marty Clary | 38 | 181.0 | 1993 | ||
| Ryan Dunne * | 38 | 186.7 | 1989 | ||
| Tenchi Masaki | 38 | 200.3 | 1988 | ||
| Hayden Finch | 38 | 197.3 | 1987 | ||
| Blaine Kinman | 38 | 173.0 | 1987 | ||
| Ferdinan Estrada | 38 | 213.0 | 1986 | ||
| Rich Meacham | 38 | 183.3 | 1986 | ||
| Clyde Mercedes | 38 | 191.0 | 1984 | ||
| Todd Adams | 38 | 239.0 | 1983 | ||
| Cesar Tostado | 38 | 186.3 | 1978 | ||
| Cesar Tostado | 38 | 149.0 | 1977 | ||
| Greg Doonin | 38 | 286.0 | 1976 | ||
| Arky Mooris | 38 | 284.7 | 1975 | ||
| Douglas Jensen | 38 | 267.0 | 1974 | ||
| Mike Madorin | 38 | 264.0 | 1974 | ||
| Johan Schmatzhagen * | 38 | 229.3 | 1973 | ||
| Aaron Alfonso | 38 | 220.3 | 1973 | ||
| Snicker Doane | 38 | 191.7 | 1973 | ||
| 87. | David Chappel | 37 | 199.3 | 1993 | |
| John Flaskamper | 37 | 184.7 | 1993 | ||
| Niles Renfork | 37 | 193.7 | 1992 | ||
| Greg Alexander | 37 | 189.7 | 1992 | ||
| Ramon Cisneros | 37 | 230.0 | 1991 | ||
| Marcel Reyes | 37 | 197.7 | 1991 | ||
| Marcel Reyes | 37 | 259.3 | 1990 | ||
| Albert Camarena | 37 | 217.7 | 1990 | ||
| Samuel Smith | 37 | 207.0 | 1990 | ||
| Eric Desoto | 37 | 223.3 | 1989 | ||
| David Lillis | 37 | 191.0 | 1987 | ||
| Micheal Cassidy | 37 | 166.7 | 1987 | ||
| Gus Wood | 37 | 156.7 | 1987 | ||
| Ricky Knutsen | 37 | 167.3 | 1986 |
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