 |
|
|
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Player | From-To | Avg | HR | RBI | W | L | SV | ERA | K |
|---|---|---|---|---|---|---|---|---|---|
| Moon-soo O | 2055-2061 | .000 | 0 | 0 | 9 | 12 | 12 | 4.28 | 114 |
| Joseph O'Beirne | 2059-2061 | .000 | 0 | 0 | 10 | 15 | 7 | 4.01 | 114 |
| Joseph O'Boyle | 2033-2033 | .000 | 0 | 0 | 9 | 6 | 0 | 5.25 | 48 |
| Tom O'Brien | 2092-2095 | .207 | 8 | 52 | 0 | 0 | 0 | 0.00 | 0 |
| Conor O'Callaghan | 2030-2041 | .000 | 0 | 0 | 15 | 3 | 4 | 2.33 | 89 |
| Sam O'Connell | 2040-2053 | .295 | 42 | 300 | 0 | 0 | 0 | 0.00 | 0 |
| Nick O'Croly | 2066-2076 | .256 | 8 | 194 | 0 | 0 | 0 | 0.00 | 0 |
| Steven O'Curry | 2076-2076 | .182 | 0 | 5 | 0 | 1 | 0 | 9.45 | 4 |
| Matt O'Donnell | 2082-2087 | .234 | 16 | 81 | 0 | 0 | 0 | 0.00 | 0 |
| Cy O'Garvey | 2090-2095 | .222 | 42 | 104 | 0 | 0 | 0 | 0.00 | 0 |
| Russell O'Herlihy | 2083-2094 | .221 | 47 | 226 | 0 | 0 | 0 | 7.71 | 1 |
| Bill O'Higgins | 2053-2066 | .000 | 0 | 0 | 39 | 14 | 3 | 2.97 | 360 |
| Nick O'Hyes | 2070-2083 | .000 | 0 | 0 | 41 | 46 | 1 | 4.34 | 428 |
| Rich O'Keefe | 2087-2093 | .000 | 0 | 0 | 13 | 28 | 1 | 3.11 | 214 |
| Steve O'Keefe | 2095-2095 | .000 | 0 | 0 | 0 | 1 | 0 | 9.00 | 6 |
| Paul O'Meara | 2069-2083 | .270 | 26 | 438 | 0 | 0 | 0 | 0.00 | 0 |
| Edward O'Neal | 2068-2085 | .000 | 0 | 0 | 41 | 25 | 1 | 3.98 | 253 |
| Dave O'Neill | 2086-2095 | .232 | 49 | 129 | 0 | 0 | 0 | 0.00 | 0 |
| Rudy O'Neill | 2072-2072 | .000 | 0 | 0 | 3 | 5 | 27 | 1.03 | 40 |
| Road Runner O'Rourke | 2054-2055 | .260 | 1 | 89 | 0 | 0 | 0 | 0.00 | 0 |
| James O'Slattery | 2058-2077 | .297 | 23 | 145 | 0 | 0 | 0 | 0.00 | 0 |
| Bryan O'Toole | 2089-2093 | .000 | 0 | 0 | 15 | 31 | 0 | 3.46 | 335 |
| Kato Obazaluma | 2088-2095 | .000 | 0 | 0 | 30 | 31 | 1 | 3.53 | 525 |
| Felipe Ocampo | 2041-2054 | .000 | 0 | 0 | 27 | 14 | 0 | 3.30 | 262 |
| Dani Ochoa | 2085-2094 | .000 | 0 | 0 | 24 | 19 | 8 | 3.93 | 231 |
| Charles Oden | 2044-2044 | .000 | 0 | 0 | 3 | 3 | 8 | 3.26 | 19 |
| Tanyu Ogawa | 2053-2054 | .230 | 3 | 32 | 0 | 0 | 0 | 0.00 | 0 |
| Dan Oglethorpe | 2091-2093 | .277 | 20 | 87 | 0 | 0 | 0 | 0.00 | 0 |
| Roku Okamoto | 2051-2056 | .280 | 33 | 190 | 0 | 0 | 0 | 0.00 | 0 |
| Farruco Olayo | 2030-2031 | .000 | 0 | 0 | 3 | 3 | 3 | 3.82 | 28 |
| Player | From-To | Avg | HR | RBI | W | L | SV | ERA | K |
| Cristóbal Olivares | 2055-2060 | .270 | 14 | 155 | 0 | 0 | 0 | 0.00 | 0 |
| José Olivarez | 2092-2092 | .333 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0 |
| Sergio Olivas | 2071-2081 | .000 | 0 | 0 | 22 | 11 | 4 | 3.67 | 288 |
| Cal Oliver | 2037-2049 | .000 | 0 | 0 | 24 | 13 | 62 | 3.07 | 250 |
| Frank Olsen | 2083-2094 | .283 | 98 | 451 | 0 | 0 | 0 | 0.00 | 0 |
| Irwin Olsen | 2073-2074 | .229 | 12 | 73 | 0 | 0 | 0 | 0.00 | 0 |
| Don Olson | 2056-2070 | .000 | 0 | 0 | 24 | 14 | 3 | 3.95 | 156 |
| Mel Olson | 2083-2088 | .000 | 0 | 0 | 15 | 15 | 6 | 4.76 | 201 |
| José Olvera | 2041-2051 | .258 | 34 | 137 | 0 | 0 | 0 | 0.00 | 0 |
| Mario Olvera | 2051-2053 | .306 | 20 | 93 | 0 | 0 | 0 | 0.00 | 0 |
| Sergio Olvera | 2073-2083 | .000 | 0 | 0 | 26 | 22 | 2 | 3.35 | 209 |
| Kun Om | 2042-2052 | .285 | 149 | 691 | 0 | 0 | 0 | 0.00 | 0 |
| Ramsey Onslow | 2035-2042 | .000 | 0 | 0 | 13 | 5 | 4 | 3.25 | 124 |
| Aaron Ontireros | 2034-2034 | .352 | 1 | 13 | 0 | 0 | 0 | 0.00 | 0 |
| Sancho Ontiveros | 2086-2087 | .000 | 0 | 0 | 1 | 4 | 1 | 5.62 | 34 |
| Wayne Opitz | 2088-2088 | .259 | 7 | 44 | 0 | 0 | 0 | 0.00 | 0 |
| Pedro Ordóñez | 2049-2051 | .305 | 10 | 151 | 0 | 0 | 0 | 0.00 | 0 |
| Luis Orendain | 2057-2066 | .000 | 0 | 0 | 15 | 22 | 8 | 3.07 | 197 |
| Jorge Ornelas | 2070-2081 | .249 | 5 | 44 | 0 | 0 | 0 | 0.00 | 0 |
| José Orozco | 2093-2095 | .000 | 0 | 0 | 13 | 18 | 0 | 4.41 | 227 |
| Luis Orozco | 2075-2090 | .000 | 0 | 0 | 22 | 17 | 1 | 3.56 | 262 |
| Luis Orozco | 2036-2053 | .282 | 18 | 136 | 0 | 0 | 0 | 0.00 | 0 |
| Valentín Orozco | 2084-2086 | .272 | 0 | 45 | 0 | 0 | 0 | 0.00 | 0 |
| César Ortega | 2050-2052 | .000 | 0 | 0 | 6 | 2 | 0 | 4.16 | 23 |
| Ismael Ortega | 2045-2051 | .276 | 64 | 330 | 0 | 0 | 0 | 0.00 | 0 |
| Ramón Ortega | 2080-2080 | .000 | 0 | 0 | 1 | 1 | 1 | 1.88 | 24 |
| Ricardo Ortega | 2069-2079 | .269 | 51 | 399 | 0 | 0 | 0 | 0.00 | 0 |
| Sergio Ortega | 2048-2058 | .000 | 0 | 0 | 48 | 40 | 2 | 3.59 | 567 |
| Izek Ortiz | 2030-2040 | .000 | 0 | 0 | 7 | 5 | 25 | 2.72 | 17 |
| António Ortíz | 2062-2080 | .271 | 5 | 99 | 0 | 0 | 0 | 0.00 | 0 |
| Player | From-To | Avg | HR | RBI | W | L | SV | ERA | K |
| Félix Ortíz | 2080-2086 | .000 | 0 | 0 | 22 | 31 | 196 | 3.92 | 259 |
| Guillermo Ortíz | 2040-2059 | .000 | 0 | 0 | 9 | 8 | 22 | 3.46 | 38 |
| Jorge Ortíz | 2081-2086 | .255 | 50 | 177 | 0 | 0 | 0 | 0.00 | 0 |
| José Ortíz | 2091-2095 | .202 | 18 | 70 | 0 | 0 | 0 | 0.00 | 0 |
| José Ortíz | 2091-2093 | .240 | 1 | 7 | 0 | 0 | 0 | 0.00 | 0 |
| José Ortíz | 2067-2080 | .251 | 24 | 88 | 73 | 50 | 0 | 3.26 | 637 |
| José Ortíz | 2051-2067 | .240 | 31 | 191 | 0 | 0 | 0 | 0.00 | 0 |
| José Ortíz | 2041-2057 | .306 | 10 | 381 | 0 | 0 | 0 | 0.00 | 0 |
| Loren Ortíz | 2086-2091 | .000 | 0 | 0 | 41 | 44 | 10 | 3.57 | 399 |
| Manny Ortíz | 2095-2095 | .000 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0 |
| Manuel Ortíz | 2036-2047 | .000 | 0 | 0 | 28 | 41 | 10 | 4.18 | 387 |
| Marcos Ortíz | 2094-2095 | .326 | 8 | 59 | 0 | 0 | 0 | 0.00 | 0 |
| Miguel Ortíz | 2043-2054 | .234 | 36 | 205 | 0 | 0 | 0 | 0.00 | 0 |
| Orlando Ortíz | 2061-2075 | .000 | 0 | 0 | 62 | 62 | 1 | 4.67 | 504 |
| Raúl Ortíz | 2084-2084 | .317 | 3 | 16 | 0 | 0 | 0 | 0.00 | 0 |
| Ricardo Ortíz | 2069-2081 | .258 | 12 | 257 | 0 | 0 | 0 | 0.00 | 0 |
| Roberto Ortíz | 2075-2075 | .228 | 2 | 17 | 0 | 0 | 0 | 0.00 | 0 |
| Terry Ortíz | 2073-2083 | .293 | 47 | 266 | 0 | 0 | 0 | 0.00 | 0 |
| Ánibal Ortíz | 2071-2084 | .294 | 96 | 479 | 0 | 0 | 0 | 0.00 | 0 |
| Luis Osalde | 2030-2034 | .253 | 31 | 154 | 0 | 0 | 0 | 0.00 | 0 |
| King Osborne | 2086-2095 | .257 | 30 | 119 | 0 | 0 | 0 | 0.00 | 0 |
| Brit Osmond | 2080-2085 | .286 | 23 | 122 | 0 | 0 | 0 | 0.00 | 0 |
| Marcos Osorio | 2047-2062 | .000 | 0 | 0 | 38 | 36 | 2 | 4.28 | 476 |
| Alfredo Osquedo | 2091-2093 | .364 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0 |
| John Ostrander | 2040-2041 | .289 | 0 | 7 | 0 | 0 | 0 | 0.00 | 0 |
| Carlos Otero | 2061-2079 | .289 | 14 | 96 | 0 | 0 | 0 | 0.00 | 0 |
| Mario Otero | 2085-2086 | .000 | 0 | 0 | 8 | 7 | 0 | 3.13 | 83 |
| Louis-Émile Otis | 2047-2050 | .000 | 0 | 0 | 12 | 11 | 64 | 3.75 | 112 |
| Cipriano Ouinones | 2035-2035 | .209 | 8 | 49 | 0 | 0 | 0 | 0.00 | 0 |
| George Outhwaite | 2030-2031 | .245 | 11 | 68 | 0 | 0 | 0 | 0.00 | 0 |
| Player | From-To | Avg | HR | RBI | W | L | SV | ERA | K |
| Mack Outlaw | 2042-2042 | .105 | 1 | 1 | 0 | 0 | 0 | 0.00 | 0 |
| Bill Owens | 2093-2094 | .191 | 3 | 15 | 0 | 0 | 0 | 0.00 | 0 |
| Michael Owens | 2051-2058 | .260 | 24 | 212 | 0 | 0 | 0 | 0.00 | 0 |
| Duane Owensby | 2030-2030 | .264 | 11 | 70 | 0 | 0 | 0 | 0.00 | 0 |
