John Bailey Ober (born July 12, 1995) is an American professional baseball pitcher for the Minnesota Twins of Major League Baseball (MLB).
Ober made his professional debut in 2017 with the rookie ball Elizabethton Twins, recording a 3.21 ERA in 6 games. In 2018, Ober posted a 7-1 record and 3.84 ERA in 14 appearances for the Single-A Cedar Rapids Kernels. He split the 2019 season between the Double-A Pensacola Blue Wahoos and the High-A Fort Myers Miracle, pitching to a stellar 8-0 record and 0.69 ERA in 14 games.
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| SO/BB | MLB | 2025 | 3.87 |
| SO9 | MLB | 2025 | 7.4 |
| BB9 | MLB | 2025 | 1.9 |
| HR9 | MLB | 2025 | 1.8 |
| H9 | MLB | 2025 | 9.8 |
| WHIP | MLB | 2025 | 1.298 |
| Fielding Independent Pitching | MLB | 2025 | 4.90 |
| ERA+ | MLB | 2025 | 84 |
| Batters Faced | MLB | 2025 | 624 |
| Wild Pitches | MLB | 2025 | 1 |
| Balks | MLB | 2025 | 2 |
| Times Hit by a Pitch | MLB | 2025 | 5 |
| Strikeouts | MLB | 2025 | 120 |
| Intentional Bases on Balls | MLB | 2025 | 0 |
| Bases on Balls/Walks | MLB | 2025 | 31 |
| Home Runs Allowed | MLB | 2025 | 30 |
| Earned Runs Allowed | MLB | 2025 | 83 |
| Runs Allowed | MLB | 2025 | 84 |
| Hits Allowed | MLB | 2025 | 159 |
| Innings Pitched | MLB | 2025 | 146.1 |
| Saves | MLB | 2025 | 0 |
| Shutouts | MLB | 2025 | 0 |
| Complete Games | MLB | 2025 | 1 |
| Games Finished | MLB | 2025 | 0 |
| Games Started | MLB | 2025 | 27 |
| Games Pitched | MLB | 2025 | 27 |
| ERA | MLB | 2025 | 5.10 |
| Win-Loss Percentage | MLB | 2025 | .400 |
| Loss | MLB | 2025 | 9 |
| Wins | MLB | 2025 | 6 |
| Wins Above Replacement for Pitchers | MLB | 2025 | 1.1 |
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| SO/BB | MLB | 2024 | 4.44 |
| SO9 | MLB | 2024 | 9.6 |
| BB9 | MLB | 2024 | 2.2 |
| HR9 | MLB | 2024 | 1.4 |
| H9 | MLB | 2024 | 6.9 |
| WHIP | MLB | 2024 | 1.002 |
| Fielding Independent Pitching | MLB | 2024 | 3.82 |
| ERA+ | MLB | 2024 | 105 |
| Batters Faced | MLB | 2024 | 709 |
| Wild Pitches | MLB | 2024 | 1 |
| Balks | MLB | 2024 | 0 |
| Times Hit by a Pitch | MLB | 2024 | 6 |
| Strikeouts | MLB | 2024 | 191 |
| Intentional Bases on Balls | MLB | 2024 | 0 |
| Bases on Balls/Walks | MLB | 2024 | 43 |
| Home Runs Allowed | MLB | 2024 | 27 |
| Earned Runs Allowed | MLB | 2024 | 79 |
| Runs Allowed | MLB | 2024 | 81 |
| Hits Allowed | MLB | 2024 | 136 |
| Innings Pitched | MLB | 2024 | 178.2 |
| Saves | MLB | 2024 | 0 |
| Shutouts | MLB | 2024 | 0 |
| Complete Games | MLB | 2024 | 1 |
| Games Finished | MLB | 2024 | 0 |
| Games Started | MLB | 2024 | 31 |
| Games Pitched | MLB | 2024 | 31 |
| ERA | MLB | 2024 | 3.98 |
| Win-Loss Percentage | MLB | 2024 | .571 |
| Loss | MLB | 2024 | 9 |
| Wins | MLB | 2024 | 12 |
| Wins Above Replacement for Pitchers | MLB | 2024 | 2.9 |
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| SO/BB | MLB | 2023 | 5.03 |
| SO9 | MLB | 2023 | 9.1 |
| BB9 | MLB | 2023 | 1.8 |
| HR9 | MLB | 2023 | 1.4 |
| H9 | MLB | 2023 | 7.8 |
| WHIP | MLB | 2023 | 1.067 |
| Fielding Independent Pitching | MLB | 2023 | 3.96 |
| ERA+ | MLB | 2023 | 128 |
| Batters Faced | MLB | 2023 | 577 |
| Wild Pitches | MLB | 2023 | 1 |
| Balks | MLB | 2023 | 0 |
| Times Hit by a Pitch | MLB | 2023 | 7 |
| Strikeouts | MLB | 2023 | 146 |
| Intentional Bases on Balls | MLB | 2023 | 0 |
| Bases on Balls/Walks | MLB | 2023 | 29 |
| Home Runs Allowed | MLB | 2023 | 22 |
| Earned Runs Allowed | MLB | 2023 | 55 |
| Runs Allowed | MLB | 2023 | 58 |
| Hits Allowed | MLB | 2023 | 125 |
| Innings Pitched | MLB | 2023 | 144.1 |
| Saves | MLB | 2023 | 0 |
| Shutouts | MLB | 2023 | 0 |
| Complete Games | MLB | 2023 | 0 |
| Games Finished | MLB | 2023 | 0 |
| Games Started | MLB | 2023 | 26 |
| Games Pitched | MLB | 2023 | 26 |
| ERA | MLB | 2023 | 3.43 |
| Win-Loss Percentage | MLB | 2023 | .571 |
| Loss | MLB | 2023 | 6 |
| Wins | MLB | 2023 | 8 |
| Wins Above Replacement for Pitchers | MLB | 2023 | 3.1 |
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| SO/BB | MLB | 2022 | 4.64 |
| SO9 | MLB | 2022 | 8.2 |
| BB9 | MLB | 2022 | 1.8 |
| HR9 | MLB | 2022 | 0.6 |
| H9 | MLB | 2022 | 7.7 |
| WHIP | MLB | 2022 | 1.054 |
| Fielding Independent Pitching | MLB | 2022 | 2.92 |
| ERA+ | MLB | 2022 | 122 |
| Batters Faced | MLB | 2022 | 227 |
| Wild Pitches | MLB | 2022 | 0 |
| Balks | MLB | 2022 | 1 |
| Times Hit by a Pitch | MLB | 2022 | 2 |
| Strikeouts | MLB | 2022 | 51 |
| Intentional Bases on Balls | MLB | 2022 | 0 |
| Bases on Balls/Walks | MLB | 2022 | 11 |
| Home Runs Allowed | MLB | 2022 | 4 |
| Earned Runs Allowed | MLB | 2022 | 20 |
| Runs Allowed | MLB | 2022 | 22 |
| Hits Allowed | MLB | 2022 | 48 |
| Innings Pitched | MLB | 2022 | 56.0 |
| Saves | MLB | 2022 | 0 |
| Shutouts | MLB | 2022 | 0 |
| Complete Games | MLB | 2022 | 0 |
| Games Finished | MLB | 2022 | 0 |
| Games Started | MLB | 2022 | 11 |
| Games Pitched | MLB | 2022 | 11 |
| ERA | MLB | 2022 | 3.21 |
| Win-Loss Percentage | MLB | 2022 | .400 |
| Loss | MLB | 2022 | 3 |
| Wins | MLB | 2022 | 2 |
| Wins Above Replacement for Pitchers | MLB | 2022 | 1.0 |
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| SO/BB | MLB | 2021 | 5.05 |
| SO9 | MLB | 2021 | 9.4 |
| BB9 | MLB | 2021 | 1.9 |
| HR9 | MLB | 2021 | 1.9 |
| H9 | MLB | 2021 | 9.0 |
| WHIP | MLB | 2021 | 1.202 |
| Fielding Independent Pitching | MLB | 2021 | 4.56 |
| ERA+ | MLB | 2021 | 102 |
| Batters Faced | MLB | 2021 | 379 |
| Wild Pitches | MLB | 2021 | 1 |
| Balks | MLB | 2021 | 0 |
| Home Runs Allowed | MLB | 2021 | 20 |
| Earned Runs Allowed | MLB | 2021 | 43 |
| Runs Allowed | MLB | 2021 | 45 |
| Hits Allowed | MLB | 2021 | 92 |
| Innings Pitched | MLB | 2021 | 92.1 |
| Saves | MLB | 2021 | 0 |
| Shutouts | MLB | 2021 | 0 |
| Complete Games | MLB | 2021 | 0 |
| Games Finished | MLB | 2021 | 0 |
| Games Started | MLB | 2021 | 20 |
| Games Pitched | MLB | 2021 | 20 |
| ERA | MLB | 2021 | 4.19 |
| Win-Loss Percentage | MLB | 2021 | .500 |
| Loss | MLB | 2021 | 3 |
| Wins | MLB | 2021 | 3 |
| Wins Above Replacement for Pitchers | MLB | 2021 | 1.2 |
| Positions Played | MLB | 2021 | 1 |
| Intentional Bases on Balls | MLB | 2021 | 0 |
| Sacrifice Flies | MLB | 2021 | 0 |
| Sacrifice Hits | MLB | 2021 | 0 |
| Times Hit by a Pitch | MLB | 2021 | 0 |
| GIDP | MLB | 2021 | 0 |
| Total Bases | MLB | 2021 | 1 |
| Rbat+ | MLB | 2021 | 192 |
| rOBA | MLB | 2021 | .446 |
| OPS+ | MLB | 2021 | 181 |
| OPS | MLB | 2021 | 1.000 |
| SLG | MLB | 2021 | .500 |
| OBP | MLB | 2021 | .500 |
| Hits/At Bats | MLB | 2021 | .500 |
| Strikeouts | MLB | 2021 | 0 |
| Bases on Balls/Walks | MLB | 2021 | 0 |
| Caught Stealing | MLB | 2021 | 0 |
| Stolen Bases | MLB | 2021 | 0 |
| Runs Batted In | MLB | 2021 | 0 |
| Home Runs | MLB | 2021 | 0 |
| Triples | MLB | 2021 | 0 |
| Doubles | MLB | 2021 | 0 |
| Hits | MLB | 2021 | 1 |
| Runs Scored | MLB | 2021 | 0 |
| At Bats | MLB | 2021 | 2 |
| Plate Appearances | MLB | 2021 | 2 |
| Games Played | MLB | 2021 | 1 |
| Wins Above Replacement for position players | MLB | 2021 | 0.1 |
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