 |
|
|
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Player | From-To | W | L | Pct | ERA | G | GS | CG | SHO | SV | IP | H | ER | HR | BB | SO |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Steven O'Brien | 1973-1974 | 15 | 25 | .375 | 4.67 | 48 | 48 | 22 | 3 | 0 | 389.1 | 385 | 202 | 40 | 185 | 231 |
| Syd O'Brien | 1964-1964 | 0 | 0 | .000 | 63.00 | 1 | 0 | 0 | 0 | 0 | 1.0 | 7 | 7 | 0 | 2 | 0 |
| Jerry O'Neill | 1973-1979 | 4 | 9 | .308 | 3.81 | 54 | 4 | 0 | 0 | 17 | 99.1 | 84 | 42 | 4 | 57 | 100 |
| Don O'Riley | 1965-1966 | 13 | 10 | .565 | 2.66 | 72 | 8 | 3 | 0 | 18 | 183.0 | 157 | 54 | 9 | 108 | 214 |
| Evan O'Rourke | 1972-1975 | 19 | 20 | .487 | 3.92 | 52 | 52 | 17 | 1 | 0 | 383.2 | 375 | 167 | 40 | 155 | 201 |
| Denny O'Toole | 1969-1973 | 14 | 4 | .778 | 3.06 | 51 | 19 | 8 | 1 | 1 | 202.2 | 190 | 69 | 12 | 84 | 118 |
| James Oates | 1981-1981 | 0 | 1 | .000 | 9.07 | 22 | 0 | 0 | 0 | 0 | 42.2 | 49 | 43 | 8 | 45 | 21 |
| Rick Odekirk | 1980-1980 | 1 | 0 | 1.000 | 4.85 | 12 | 0 | 0 | 0 | 0 | 29.2 | 39 | 16 | 3 | 14 | 17 |
| Jim Officer | 1970-1970 | 4 | 3 | .571 | 3.38 | 9 | 9 | 3 | 1 | 0 | 77.1 | 52 | 29 | 10 | 28 | 87 |
| John Ogden | 1972-1975 | 9 | 7 | .563 | 3.43 | 91 | 0 | 0 | 0 | 11 | 147.0 | 128 | 56 | 14 | 81 | 142 |
| Oswaldo Olivares | 1974-1975 | 0 | 0 | .000 | 10.80 | 3 | 2 | 0 | 0 | 0 | 3.1 | 4 | 4 | 1 | 4 | 1 |
| Mike Olivo | 1965-1966 | 7 | 7 | .500 | 3.47 | 22 | 17 | 6 | 1 | 1 | 122.0 | 96 | 47 | 16 | 56 | 122 |
| Al Olmsted | 1979-1980 | 4 | 4 | .500 | 3.69 | 20 | 0 | 0 | 0 | 7 | 31.2 | 22 | 13 | 2 | 12 | 25 |
| Dean Olson | 1973-1976 | 13 | 7 | .650 | 3.51 | 48 | 23 | 13 | 2 | 1 | 241.1 | 199 | 94 | 15 | 147 | 141 |
| Martin Olson | 1968-1970 | 0 | 0 | .000 | 9.00 | 2 | 0 | 0 | 0 | 0 | 2.0 | 2 | 2 | 0 | 2 | 2 |
| Edward Orick | 1977-1977 | 5 | 3 | .625 | 4.10 | 9 | 9 | 3 | 2 | 0 | 63.2 | 67 | 29 | 5 | 29 | 25 |
| Marcos Ortega | 1974-1974 | 16 | 2 | .889 | 2.24 | 23 | 23 | 1 | 1 | 0 | 153.0 | 112 | 38 | 8 | 35 | 130 |
| Jordan Ortiz | 1977-1977 | 3 | 7 | .300 | 2.82 | 16 | 16 | 3 | 0 | 0 | 124.1 | 108 | 39 | 5 | 45 | 78 |
| Nelson Ortiz | 1973-1973 | 0 | 2 | .000 | 2.05 | 4 | 4 | 1 | 0 | 0 | 26.1 | 17 | 6 | 2 | 6 | 24 |
| Vicente Ortiz | 1972-1977 | 0 | 0 | .000 | 15.43 | 1 | 0 | 0 | 0 | 0 | 2.1 | 4 | 4 | 1 | 0 | 0 |
| Matt Osmanski | 1973-1973 | 0 | 0 | .000 | 0.00 | 5 | 1 | 0 | 0 | 1 | 5.0 | 7 | 0 | 1 | 3 | 2 |
| Stanley Osterbur | 1981-1981 | 2 | 10 | .167 | 7.76 | 16 | 16 | 0 | 0 | 0 | 84.2 | 116 | 73 | 11 | 69 | 37 |
| Stubby Overmire | 1959-1959 | 0 | 0 | .000 | 3.60 | 1 | 0 | 0 | 0 | 0 | 5.0 | 5 | 2 | 0 | 1 | 2 |
| Tom Owens | 1978-1979 | 14 | 12 | .538 | 3.37 | 42 | 42 | 0 | 0 | 0 | 248.1 | 197 | 93 | 17 | 119 | 181 |
