John Curtiss (born 5 April 1993) is an active professional baseball pitcher for the Reno Aces. On 16 December 2025, he re-signed with the Diamondbacks on a minor league contract
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| Positions Played | MLB | 2025 | 1 |
| Intentional Bases on Balls | MLB | 2025 | 0 |
| Sacrifice Flies | MLB | 2025 | 0 |
| Sacrifice Hits | MLB | 2025 | 0 |
| Times Hit by a Pitch | MLB | 2025 | 0 |
| GIDP | MLB | 2025 | 0 |
| Total Bases | MLB | 2025 | 0 |
| Strikeouts | MLB | 2025 | 0 |
| Bases on Balls/Walks | MLB | 2025 | 0 |
| Caught Stealing | MLB | 2025 | 0 |
| Stolen Bases | MLB | 2025 | 0 |
| Runs Batted In | MLB | 2025 | 0 |
| Home Runs | MLB | 2025 | 0 |
| Triples | MLB | 2025 | 0 |
| Doubles | MLB | 2025 | 0 |
| Hits | MLB | 2025 | 0 |
| Runs Scored | MLB | 2025 | 0 |
| At Bats | MLB | 2025 | 0 |
| Plate Appearances | MLB | 2025 | 0 |
| Games Played | MLB | 2025 | 1 |
| Wins Above Replacement for position players | MLB | 2025 | 0.0 |
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| Positions Played | MLB | 2021 | 1/H |
| 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 | 0 |
| Rbat+ | MLB | 2021 | -131 |
| rOBA | MLB | 2021 | .000 |
| OPS+ | MLB | 2021 | -100 |
| OPS | MLB | 2021 | .000 |
| SLG | MLB | 2021 | .000 |
| OBP | MLB | 2021 | .000 |
| Hits/At Bats | MLB | 2021 | .000 |
| Strikeouts | MLB | 2021 | 3 |
| 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 | 0 |
| Runs Scored | MLB | 2021 | 1 |
| At Bats | MLB | 2021 | 5 |
| Plate Appearances | MLB | 2021 | 5 |
| Games Played | MLB | 2021 | 35 |
| Wins Above Replacement for position players | MLB | 2021 | -0.1 |
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| SO/BB | MLB | 2020 | 8.33 |
| SO9 | MLB | 2020 | 9.0 |
| BB9 | MLB | 2020 | 1.1 |
| HR9 | MLB | 2020 | 1.1 |
| H9 | MLB | 2020 | 7.6 |
| WHIP | MLB | 2020 | 0.960 |
| Fielding Independent Pitching | MLB | 2020 | 3.35 |
| ERA+ | MLB | 2020 | 230 |
| Batters Faced | MLB | 2020 | 99 |
| Wild Pitches | MLB | 2020 | 0 |
| Balks | MLB | 2020 | 0 |
| Times Hit by a Pitch | MLB | 2020 | 2 |
| Strikeouts | MLB | 2020 | 25 |
| Intentional Bases on Balls | MLB | 2020 | 0 |
| Bases on Balls/Walks | MLB | 2020 | 3 |
| Home Runs Allowed | MLB | 2020 | 3 |
| Earned Runs Allowed | MLB | 2020 | 5 |
| Runs Allowed | MLB | 2020 | 7 |
| Hits Allowed | MLB | 2020 | 21 |
| Innings Pitched | MLB | 2020 | 25.0 |
| Saves | MLB | 2020 | 2 |
| Shutouts | MLB | 2020 | 0 |
| Complete Games | MLB | 2020 | 0 |
| Games Finished | MLB | 2020 | 7 |
| Games Started | MLB | 2020 | 3 |
| Games Pitched | MLB | 2020 | 17 |
| ERA | MLB | 2020 | 1.80 |
| Win-Loss Percentage | MLB | 2020 | 1.000 |
| Loss | MLB | 2020 | 0 |
| Wins | MLB | 2020 | 3 |
| Wins Above Replacement for Pitchers | MLB | 2020 | 0.8 |
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| SO/BB | MLB | 2019 | 0.33 |
| SO9 | MLB | 2019 | 3.9 |
| BB9 | MLB | 2019 | 11.6 |
| HR9 | MLB | 2019 | 0.0 |
| H9 | MLB | 2019 | 7.7 |
| WHIP | MLB | 2019 | 2.143 |
| Fielding Independent Pitching | MLB | 2019 | 6.21 |
| ERA+ | MLB | 2019 | 137 |
| Batters Faced | MLB | 2019 | 12 |
| Wild Pitches | MLB | 2019 | 0 |
| Balks | MLB | 2019 | 0 |
| Times Hit by a Pitch | MLB | 2019 | 0 |
| Strikeouts | MLB | 2019 | 1 |
| Intentional Bases on Balls | MLB | 2019 | 0 |
| Bases on Balls/Walks | MLB | 2019 | 3 |
| Home Runs Allowed | MLB | 2019 | 0 |
| Earned Runs Allowed | MLB | 2019 | 1 |
| Runs Allowed | MLB | 2019 | 1 |
| Hits Allowed | MLB | 2019 | 2 |
| Innings Pitched | MLB | 2019 | 2.1 |
| Saves | MLB | 2019 | 0 |
| Shutouts | MLB | 2019 | 0 |
| Complete Games | MLB | 2019 | 0 |
| Games Finished | MLB | 2019 | 1 |
| Games Started | MLB | 2019 | 0 |
| Games Pitched | MLB | 2019 | 1 |
| ERA | MLB | 2019 | 3.86 |
| Loss | MLB | 2019 | 0 |
| Wins | MLB | 2019 | 0 |
| Wins Above Replacement for Pitchers | MLB | 2019 | 0.0 |
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| SO/BB | MLB | 2018 | 1.75 |
| SO9 | MLB | 2018 | 9.9 |
| BB9 | MLB | 2018 | 5.7 |
| HR9 | MLB | 2018 | 0.0 |
| H9 | MLB | 2018 | 11.4 |
| WHIP | MLB | 2018 | 1.895 |
| Fielding Independent Pitching | MLB | 2018 | 2.84 |
| ERA+ | MLB | 2018 | 79 |
| Batters Faced | MLB | 2018 | 30 |
| Wild Pitches | MLB | 2018 | 3 |
| Balks | MLB | 2018 | 0 |
| Times Hit by a Pitch | MLB | 2018 | 0 |
| Strikeouts | MLB | 2018 | 7 |
| Intentional Bases on Balls | MLB | 2018 | 1 |
| Bases on Balls/Walks | MLB | 2018 | 4 |
| Home Runs Allowed | MLB | 2018 | 0 |
| Earned Runs Allowed | MLB | 2018 | 4 |
| Runs Allowed | MLB | 2018 | 4 |
| Hits Allowed | MLB | 2018 | 8 |
| Innings Pitched | MLB | 2018 | 6.1 |
| Saves | MLB | 2018 | 0 |
| Shutouts | MLB | 2018 | 0 |
| Complete Games | MLB | 2018 | 0 |
| Games Finished | MLB | 2018 | 2 |
| Games Started | MLB | 2018 | 0 |
| Games Pitched | MLB | 2018 | 8 |
| ERA | MLB | 2018 | 5.68 |
| Win-Loss Percentage | MLB | 2018 | .000 |
| Loss | MLB | 2018 | 1 |
| Wins | MLB | 2018 | 0 |
| Wins Above Replacement for Pitchers | MLB | 2018 | 0.0 |
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| SO/BB | MLB | 2017 | 5.00 |
| SO9 | MLB | 2017 | 10.4 |
| BB9 | MLB | 2017 | 2.1 |
| HR9 | MLB | 2017 | 2.1 |
| H9 | MLB | 2017 | 9.3 |
| WHIP | MLB | 2017 | 1.269 |
| Fielding Independent Pitching | MLB | 2017 | 4.89 |
| ERA+ | MLB | 2017 | 55 |
| Batters Faced | MLB | 2017 | 38 |
| Wild Pitches | MLB | 2017 | 2 |
| Balks | MLB | 2017 | 0 |
| Times Hit by a Pitch | MLB | 2017 | 1 |
| Strikeouts | MLB | 2017 | 10 |
| Intentional Bases on Balls | MLB | 2017 | 0 |
| Bases on Balls/Walks | MLB | 2017 | 2 |
| Home Runs Allowed | MLB | 2017 | 2 |
| Earned Runs Allowed | MLB | 2017 | 8 |
| Runs Allowed | MLB | 2017 | 8 |
| Hits Allowed | MLB | 2017 | 9 |
| Innings Pitched | MLB | 2017 | 8.2 |
| Saves | MLB | 2017 | 0 |
| Shutouts | MLB | 2017 | 0 |
| Complete Games | MLB | 2017 | 0 |
| Games Finished | MLB | 2017 | 4 |
| Games Started | MLB | 2017 | 0 |
| Games Pitched | MLB | 2017 | 9 |
| ERA | MLB | 2017 | 8.31 |
| Loss | MLB | 2017 | 0 |
| Wins | MLB | 2017 | 0 |
| Wins Above Replacement for Pitchers | MLB | 2017 | -0.2 |
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Dallas, Texas
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