 |
|
|
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Player | From-To | Avg | HR | RBI | W | L | SV | ERA | K |
|---|---|---|---|---|---|---|---|---|---|
| Eric O'Bryan | 2034-2035 | .303 | 11 | 89 | 0 | 0 | 0 | 0.00 | 0 |
| Jeff O'Bryan | 2035-2035 | .000 | 0 | 0 | 7 | 6 | 10 | 4.23 | 54 |
| Ben O'Canavan | 2034-2035 | .261 | 14 | 59 | 0 | 0 | 0 | 0.00 | 0 |
| Justin O'Conner | 2018-2022 | .224 | 29 | 88 | 0 | 0 | 0 | 0.00 | 0 |
| Eric O'Flaherty | 2016-2022 | .000 | 0 | 0 | 25 | 9 | 9 | 3.50 | 268 |
| Duane O'Gormley | 2028-2029 | .000 | 0 | 0 | 9 | 4 | 0 | 5.40 | 97 |
| Mike O'Halloran | 2035-2035 | .269 | 13 | 47 | 6 | 10 | 0 | 7.28 | 87 |
| Bob O'Herlihy | 2034-2035 | .249 | 9 | 57 | 0 | 0 | 0 | 0.00 | 0 |
| Tim O'Kinsella | 2034-2034 | .271 | 31 | 86 | 0 | 0 | 0 | 0.00 | 0 |
| Dan O'Lehan | 2034-2035 | .000 | 0 | 0 | 0 | 0 | 1 | 1.55 | 32 |
| Rusty O'Loman | 2023-2024 | .160 | 0 | 6 | 0 | 0 | 0 | 0.00 | 0 |
| Bob O'Mooney | 2034-2035 | .214 | 10 | 48 | 0 | 0 | 0 | 0.00 | 0 |
| Bob O'Mullan | 2035-2035 | .208 | 7 | 21 | 0 | 0 | 0 | 0.00 | 0 |
| Mike O'Neil | 2030-2031 | .000 | 0 | 0 | 3 | 4 | 3 | 4.91 | 153 |
| Michael O'Neill | 2019-2024 | .273 | 42 | 184 | 0 | 0 | 0 | 0.00 | 0 |
| Claude O'Quinn | 2024-2025 | .268 | 22 | 100 | 0 | 0 | 0 | 0.00 | 0 |
| Tony O'Quinn | 2033-2035 | .000 | 0 | 0 | 11 | 8 | 34 | 4.89 | 70 |
| Dave O'Rorke | 2026-2027 | .279 | 37 | 144 | 0 | 0 | 0 | 0.00 | 0 |
| Ed O'Rorke | 2035-2035 | .000 | 0 | 0 | 0 | 0 | 2 | 9.00 | 1 |
| Ed O'Rourke | 2023-2025 | .000 | 0 | 0 | 4 | 12 | 6 | 6.00 | 168 |
| Brett Oberholtzer | 2015-2023 | .000 | 0 | 0 | 92 | 59 | 1 | 4.20 | 806 |
| Omar Obregon | 2020-2020 | .000 | 0 | 1 | 0 | 0 | 0 | 0.00 | 0 |
| Octávio Ocampo | 2031-2031 | .303 | 8 | 40 | 0 | 0 | 0 | 0.00 | 0 |
| Juan Carlos Ochoa | 2030-2034 | .247 | 21 | 84 | 0 | 0 | 0 | 0.00 | 0 |
| Pepe Ochoa | 2034-2034 | .000 | 0 | 0 | 3 | 1 | 0 | 3.40 | 62 |
| Derek Odell | 2019-2020 | .280 | 27 | 109 | 0 | 0 | 0 | 0.00 | 0 |
| Doug Odom | 2028-2029 | .000 | 0 | 0 | 0 | 0 | 1 | 4.97 | 22 |
| Joseph Odom | 2016-2020 | .231 | 14 | 60 | 0 | 0 | 0 | 0.00 | 0 |
| Rougned Odor | 2028-2028 | .220 | 2 | 6 | 0 | 0 | 0 | 0.00 | 0 |
| Jake Odorizzi | 2027-2027 | .000 | 0 | 0 | 3 | 9 | 0 | 6.29 | 86 |
| Player | From-To | Avg | HR | RBI | W | L | SV | ERA | K |
| Ben Oglethorpe | 2024-2024 | .193 | 3 | 22 | 0 | 0 | 0 | 0.00 | 0 |
| Juan Ojeda | 2030-2033 | .000 | 0 | 0 | 9 | 7 | 6 | 6.79 | 209 |
| Kuniyoshi Oka | 2026-2029 | .000 | 0 | 0 | 6 | 6 | 2 | 4.21 | 125 |
| Chris Okey | 2018-2018 | .229 | 3 | 39 | 0 | 0 | 0 | 0.00 | 0 |
| José Oliva | 2035-2035 | .250 | 9 | 28 | 0 | 0 | 0 | 0.00 | 0 |
| Manny Olivas | 2020-2022 | .000 | 0 | 0 | 16 | 27 | 0 | 4.17 | 284 |
| Chris Oliver | 2023-2023 | .000 | 0 | 0 | 5 | 3 | 0 | 5.68 | 100 |
| Connor Oliver | 2020-2020 | .274 | 11 | 41 | 0 | 0 | 0 | 0.00 | 0 |
| Lester Oliveros | 2015-2019 | .000 | 0 | 0 | 12 | 8 | 5 | 4.56 | 259 |
| Buddy Olson | 2030-2032 | .000 | 0 | 0 | 4 | 3 | 5 | 4.79 | 64 |
| Ned Olson | 2030-2033 | .267 | 42 | 193 | 0 | 0 | 0 | 0.00 | 0 |
| Mike Olt | 2020-2022 | .259 | 57 | 166 | 0 | 0 | 0 | 0.00 | 0 |
| José Ontiveros | 2032-2032 | .000 | 0 | 0 | 0 | 1 | 0 | 6.00 | 6 |
| Derek Orby | 2026-2027 | .307 | 31 | 69 | 0 | 0 | 0 | 0.00 | 0 |
| Rubén Ornelas | 2031-2031 | .000 | 0 | 0 | 1 | 4 | 0 | 7.41 | 68 |
| Ricky Oropesa | 2020-2021 | .307 | 10 | 37 | 0 | 0 | 0 | 0.00 | 0 |
| Luis Orozco | 2027-2028 | .000 | 0 | 0 | 14 | 14 | 0 | 4.40 | 230 |
| Mario Orozco | 2034-2034 | .188 | 0 | 1 | 0 | 0 | 0 | 0.00 | 0 |
| Damien Orsi | 2024-2032 | .273 | 54 | 234 | 0 | 0 | 0 | 0.00 | 0 |
| Ismael Ortega | 2027-2027 | .256 | 2 | 7 | 0 | 0 | 0 | 0.00 | 0 |
| Jorge Ortega | 2033-2035 | .286 | 59 | 146 | 0 | 0 | 0 | 0.00 | 0 |
| Jorge Ortega | 2022-2024 | .000 | 0 | 0 | 25 | 22 | 0 | 4.70 | 229 |
| José Ortega | 2034-2034 | .000 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0 |
| Albert Ortíz | 2030-2030 | .000 | 0 | 0 | 10 | 7 | 10 | 4.70 | 154 |
| António Ortíz | 2022-2031 | .272 | 120 | 461 | 0 | 0 | 0 | 0.00 | 0 |
| Daniel Ortiz | 2015-2019 | .279 | 29 | 146 | 0 | 0 | 0 | 0.00 | 0 |
| David Ortíz | 2024-2032 | .257 | 7 | 92 | 0 | 0 | 0 | 27.00 | 0 |
| Edgardo Ortíz | 2032-2034 | .288 | 34 | 128 | 0 | 0 | 0 | 0.00 | 0 |
| Jorge Ortíz | 2032-2035 | .000 | 0 | 0 | 11 | 9 | 1 | 6.88 | 183 |
| Jorge Ortíz | 2021-2024 | .197 | 0 | 8 | 0 | 0 | 0 | 0.00 | 0 |
| Player | From-To | Avg | HR | RBI | W | L | SV | ERA | K |
| José Ortíz | 2027-2029 | .000 | 0 | 0 | 16 | 5 | 2 | 5.08 | 174 |
| José Ortíz | 2024-2025 | .281 | 8 | 41 | 0 | 0 | 0 | 0.00 | 0 |
| Jose Ortiz | 2018-2018 | .362 | 3 | 13 | 0 | 0 | 0 | 0.00 | 0 |
| José Ortíz | 2021-2021 | .272 | 7 | 50 | 0 | 0 | 0 | 0.00 | 0 |
| Ken Ortíz | 2029-2031 | .256 | 31 | 137 | 0 | 0 | 0 | 0.00 | 0 |
| Kevin Ortíz | 2031-2033 | .237 | 3 | 29 | 0 | 0 | 0 | 0.00 | 0 |
| Luis Ortíz | 2028-2034 | .000 | 0 | 0 | 17 | 16 | 0 | 4.27 | 359 |
| Luis Ortiz | 2019-2019 | .000 | 0 | 0 | 4 | 5 | 2 | 4.41 | 83 |
| Sergio Ortíz | 2023-2023 | .257 | 11 | 44 | 0 | 0 | 0 | 0.00 | 0 |
| David Ortiz Jr. | 2034-2034 | .250 | 0 | 1 | 0 | 0 | 0 | 0.00 | 0 |
| Jim Osborn | 2033-2033 | .000 | 0 | 0 | 7 | 5 | 28 | 4.06 | 90 |
| Dave Osborne | 2023-2023 | .000 | 0 | 0 | 2 | 1 | 0 | 3.00 | 2 |
| Jose Osuna | 2016-2024 | .320 | 33 | 144 | 0 | 0 | 0 | 0.00 | 0 |
| Roberto Osuna | 2015-2027 | .000 | 0 | 0 | 17 | 12 | 1 | 4.03 | 258 |
| Matty Ott | 2018-2023 | .000 | 0 | 0 | 3 | 3 | 2 | 6.91 | 53 |
| Willem Ough | 2033-2033 | .000 | 0 | 0 | 6 | 5 | 0 | 4.72 | 130 |
| Josh Outman | 2017-2017 | .000 | 0 | 0 | 1 | 0 | 0 | 3.44 | 17 |
| Jose Ovalles | 2019-2020 | .308 | 26 | 96 | 0 | 0 | 0 | 0.00 | 0 |
| Jeff Owen | 2021-2024 | .242 | 17 | 82 | 0 | 0 | 0 | 0.00 | 0 |
| Alan Owens | 2034-2035 | .296 | 7 | 58 | 0 | 0 | 0 | 0.00 | 0 |
| Henry Owens | 2015-2016 | .000 | 0 | 0 | 14 | 27 | 0 | 4.95 | 302 |
| Kevin Owens | 2026-2026 | .000 | 0 | 0 | 4 | 6 | 0 | 3.80 | 117 |
| Kris Owens | 2024-2024 | .243 | 12 | 43 | 0 | 0 | 0 | 0.00 | 0 |
| Norm Owens | 2034-2035 | .263 | 65 | 189 | 0 | 0 | 0 | 0.00 | 0 |
| Pete Owens | 2035-2035 | .000 | 0 | 0 | 0 | 0 | 0 | 2.05 | 40 |
| Sam Owens | 2034-2035 | .000 | 0 | 0 | 13 | 11 | 3 | 5.52 | 210 |
