| 12/31/2014 | ||||||
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| Player | From-To | W | L | Pct | ERA | G | GS | CG | SHO | SV | IP | H | ER | HR | BB | SO |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mike O'Donnell | 2012-2012 | 0 | 2 | .000 | 4.64 | 4 | 4 | 0 | 0 | 0 | 21.1 | 27 | 11 | 1 | 6 | 23 |
| Tom O'Halloran | 2012-2012 | 1 | 2 | .333 | 3.08 | 4 | 4 | 0 | 0 | 0 | 26.1 | 18 | 9 | 2 | 14 | 26 |
| Carl O'Quinn | 2014-2014 | 8 | 3 | .727 | 2.89 | 13 | 12 | 1 | 1 | 0 | 84.0 | 57 | 27 | 5 | 16 | 88 |
| Dave O'Rorke | 2013-2013 | 1 | 1 | .500 | 3.27 | 5 | 3 | 1 | 0 | 0 | 22.0 | 21 | 8 | 1 | 10 | 17 |
| Dan O'Sullivan | 2012-2012 | 0 | 0 | .000 | 4.77 | 6 | 0 | 0 | 0 | 3 | 5.2 | 6 | 3 | 0 | 2 | 5 |
| Emory O'Toole | 2012-2013 | 2 | 2 | .500 | 1.73 | 31 | 0 | 0 | 0 | 14 | 36.1 | 20 | 7 | 2 | 11 | 64 |
| Francisco Ochoa | 2012-2012 | 4 | 0 | 1.000 | 1.37 | 53 | 0 | 0 | 0 | 2 | 72.1 | 33 | 11 | 7 | 7 | 115 |
| Pancho Ochoa | 2014-2014 | 1 | 2 | .333 | 2.08 | 24 | 0 | 0 | 0 | 9 | 26.0 | 22 | 6 | 0 | 11 | 20 |
| Troy Odom | 2012-2012 | 0 | 3 | .000 | 3.19 | 18 | 3 | 1 | 0 | 1 | 42.1 | 38 | 15 | 6 | 10 | 32 |
| Naizen Ogawa | 2013-2014 | 6 | 6 | .500 | 3.48 | 26 | 18 | 0 | 0 | 0 | 103.1 | 105 | 40 | 12 | 30 | 84 |
| Bryant Oglethorpe | 2014-2014 | 3 | 8 | .273 | 3.02 | 50 | 6 | 0 | 0 | 19 | 80.1 | 65 | 27 | 2 | 42 | 68 |
| Carlos Ojeda | 2012-2014 | 0 | 4 | .000 | 4.53 | 19 | 9 | 0 | 0 | 0 | 57.2 | 60 | 29 | 5 | 19 | 44 |
| Izumo Okumura | 2013-2014 | 5 | 11 | .313 | 5.38 | 69 | 12 | 0 | 0 | 1 | 115.1 | 116 | 69 | 8 | 66 | 82 |
| Carlos Olivares | 2012-2013 | 9 | 25 | .265 | 4.08 | 48 | 47 | 0 | 0 | 0 | 266.2 | 234 | 121 | 30 | 115 | 191 |
| Will Olson | 2012-2012 | 2 | 1 | .667 | 2.53 | 22 | 0 | 0 | 0 | 0 | 21.1 | 15 | 6 | 2 | 9 | 28 |
| Hirohisa Onishi | 2014-2014 | 1 | 2 | .333 | 3.67 | 17 | 3 | 0 | 0 | 0 | 34.1 | 31 | 14 | 1 | 17 | 20 |
| Rick Oram | 2013-2014 | 5 | 3 | .625 | 3.26 | 44 | 0 | 0 | 0 | 1 | 49.2 | 52 | 18 | 2 | 33 | 36 |
| Ernesto Ortíz | 2012-2014 | 17 | 11 | .607 | 2.35 | 117 | 18 | 5 | 1 | 5 | 256.1 | 196 | 67 | 18 | 73 | 273 |
| Jorge Ortíz | 2013-2014 | 7 | 20 | .259 | 4.06 | 75 | 31 | 1 | 0 | 13 | 221.2 | 232 | 100 | 20 | 109 | 166 |
| José Ortíz | 2012-2014 | 10 | 21 | .323 | 3.69 | 89 | 34 | 1 | 0 | 2 | 251.1 | 263 | 103 | 20 | 79 | 176 |
| Pedro Ortíz | 2012-2012 | 3 | 1 | .750 | 0.89 | 20 | 0 | 0 | 0 | 1 | 20.1 | 14 | 2 | 1 | 6 | 32 |
| Sergio Ortíz | 2012-2013 | 8 | 10 | .444 | 2.99 | 55 | 27 | 1 | 0 | 1 | 211.0 | 178 | 70 | 14 | 79 | 183 |
| Conrad Orton | 2014-2014 | 2 | 2 | .500 | 3.06 | 34 | 0 | 0 | 0 | 17 | 35.1 | 32 | 12 | 3 | 20 | 39 |
| Jake Osborne | 2012-2012 | 0 | 1 | .000 | 0.00 | 1 | 0 | 0 | 0 | 0 | 0.0 | 1 | 1 | 0 | 0 | 0 |
| Robert Osborne | 2014-2014 | 1 | 0 | 1.000 | 2.03 | 2 | 2 | 0 | 0 | 0 | 13.1 | 7 | 3 | 0 | 5 | 14 |
| Harold Osburn | 2012-2012 | 0 | 0 | .000 | 0.00 | 2 | 0 | 0 | 0 | 0 | 2.0 | 0 | 0 | 0 | 0 | 3 |
| Woody Owen | 2014-2014 | 6 | 2 | .750 | 2.85 | 13 | 13 | 0 | 0 | 0 | 85.1 | 73 | 27 | 4 | 24 | 89 |
| Jacob Owens | 2014-2014 | 0 | 0 | .000 | 5.09 | 32 | 0 | 0 | 0 | 0 | 40.2 | 35 | 23 | 1 | 36 | 50 |
| Nathan Owens | 2014-2014 | 0 | 2 | .000 | 4.12 | 13 | 0 | 0 | 0 | 2 | 19.2 | 15 | 9 | 1 | 11 | 20 |
| Tom Owens | 2012-2012 | 7 | 11 | .389 | 2.80 | 25 | 24 | 1 | 0 | 0 | 157.1 | 137 | 49 | 9 | 53 | 131 |
| Player | From-To | W | L | Pct | ERA | G | GS | CG | SHO | SV | IP | H | ER | HR | BB | SO |
| Shunso Oyama | 2013-2014 | 12 | 8 | .600 | 2.29 | 84 | 20 | 0 | 0 | 2 | 181.0 | 139 | 46 | 12 | 58 | 155 |
