Tyler Blinn Duffey (born December 27, 1990) is an American professional baseball pitcher for the Iowa Cubs, in the Chicago Cubs organization. He has previously played in Major League Baseball (MLB) for the Minnesota Twins. The Minnesota Twins selected Duffey in the fifth round, with the 160th overall selection, of the 2012 MLB draft.
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Milestones
Former Youth Teams
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| SO/BB | MLB | 2024 | 1.25 |
| SO9 | MLB | 2024 | 10.0 |
| BB9 | MLB | 2024 | 8.0 |
| HR9 | MLB | 2024 | 0.0 |
| H9 | MLB | 2024 | 7.0 |
| WHIP | MLB | 2024 | 1.667 |
| Fielding Independent Pitching | MLB | 2024 | 3.94 |
| ERA+ | MLB | 2024 | 85 |
| Batters Faced | MLB | 2024 | 42 |
| Wild Pitches | MLB | 2024 | 0 |
| Balks | MLB | 2024 | 0 |
| Times Hit by a Pitch | MLB | 2024 | 1 |
| Strikeouts | MLB | 2024 | 10 |
| Intentional Bases on Balls | MLB | 2024 | 0 |
| Bases on Balls/Walks | MLB | 2024 | 8 |
| Home Runs Allowed | MLB | 2024 | 0 |
| Earned Runs Allowed | MLB | 2024 | 5 |
| Runs Allowed | MLB | 2024 | 5 |
| Hits Allowed | MLB | 2024 | 7 |
| Innings Pitched | MLB | 2024 | 9.0 |
| Saves | MLB | 2024 | 0 |
| Shutouts | MLB | 2024 | 0 |
| Complete Games | MLB | 2024 | 0 |
| Games Finished | MLB | 2024 | 0 |
| Games Started | MLB | 2024 | 0 |
| Games Pitched | MLB | 2024 | 9 |
| ERA | MLB | 2024 | 5.00 |
| Win-Loss Percentage | MLB | 2024 | 1.000 |
| Loss | MLB | 2024 | 0 |
| Wins | MLB | 2024 | 1 |
| Wins Above Replacement for Pitchers | MLB | 2024 | 0.0 |
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| SO/BB | MLB | 2022 | 2.60 |
| SO9 | MLB | 2022 | 8.0 |
| BB9 | MLB | 2022 | 3.1 |
| HR9 | MLB | 2022 | 1.6 |
| H9 | MLB | 2022 | 9.2 |
| WHIP | MLB | 2022 | 1.364 |
| Fielding Independent Pitching | MLB | 2022 | 4.79 |
| ERA+ | MLB | 2022 | 80 |
| Batters Faced | MLB | 2022 | 185 |
| Wild Pitches | MLB | 2022 | 2 |
| Balks | MLB | 2022 | 0 |
| Home Runs Allowed | MLB | 2022 | 8 |
| Earned Runs Allowed | MLB | 2022 | 24 |
| Runs Allowed | MLB | 2022 | 24 |
| Hits Allowed | MLB | 2022 | 45 |
| Innings Pitched | MLB | 2022 | 44.0 |
| Saves | MLB | 2022 | 2 |
| Shutouts | MLB | 2022 | 0 |
| Complete Games | MLB | 2022 | 0 |
| Games Finished | MLB | 2022 | 10 |
| Games Started | MLB | 2022 | 0 |
| Games Pitched | MLB | 2022 | 40 |
| ERA | MLB | 2022 | 4.91 |
| Win-Loss Percentage | MLB | 2022 | .333 |
| Loss | MLB | 2022 | 4 |
| Wins | MLB | 2022 | 2 |
| Wins Above Replacement for Pitchers | MLB | 2022 | -0.3 |
| Positions Played | MLB | 2022 | 1 |
| Intentional Bases on Balls | MLB | 2022 | 0 |
| Sacrifice Flies | MLB | 2022 | 0 |
| Sacrifice Hits | MLB | 2022 | 0 |
| Times Hit by a Pitch | MLB | 2022 | 0 |
| GIDP | MLB | 2022 | 0 |
| Total Bases | MLB | 2022 | 0 |
| Strikeouts | MLB | 2022 | 0 |
| Bases on Balls/Walks | MLB | 2022 | 0 |
| Caught Stealing | MLB | 2022 | 0 |
| Stolen Bases | MLB | 2022 | 0 |
| Runs Batted In | MLB | 2022 | 0 |
| Home Runs | MLB | 2022 | 0 |
| Triples | MLB | 2022 | 0 |
| Doubles | MLB | 2022 | 0 |
| Hits | MLB | 2022 | 0 |
| Runs Scored | MLB | 2022 | 0 |
| At Bats | MLB | 2022 | 0 |
| Plate Appearances | MLB | 2022 | 0 |
| Games Played | MLB | 2022 | 2 |
| Wins Above Replacement for position players | MLB | 2022 | 0.0 |
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| SO/BB | MLB | 2021 | 2.18 |
| SO9 | MLB | 2021 | 8.8 |
| BB9 | MLB | 2021 | 4.0 |
| HR9 | MLB | 2021 | 0.6 |
| H9 | MLB | 2021 | 6.9 |
| WHIP | MLB | 2021 | 1.219 |
| Fielding Independent Pitching | MLB | 2021 | 3.49 |
| ERA+ | MLB | 2021 | 134 |
| Batters Faced | MLB | 2021 | 254 |
| Wild Pitches | MLB | 2021 | 5 |
| Balks | MLB | 2021 | 0 |
| Home Runs Allowed | MLB | 2021 | 4 |
| Earned Runs Allowed | MLB | 2021 | 22 |
| Runs Allowed | MLB | 2021 | 25 |
| Hits Allowed | MLB | 2021 | 48 |
| Innings Pitched | MLB | 2021 | 62.1 |
| Saves | MLB | 2021 | 3 |
| Shutouts | MLB | 2021 | 0 |
| Complete Games | MLB | 2021 | 0 |
| Games Finished | MLB | 2021 | 6 |
| Games Started | MLB | 2021 | 0 |
| Games Pitched | MLB | 2021 | 64 |
| ERA | MLB | 2021 | 3.18 |
| 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 | 0 |
| 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 | 0 |
| Runs Scored | MLB | 2021 | 0 |
| At Bats | MLB | 2021 | 0 |
| Plate Appearances | MLB | 2021 | 0 |
| Games Played | MLB | 2021 | 5 |
| Wins Above Replacement for position players | MLB | 2021 | 0.0 |
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| SO/BB | MLB | 2020 | 5.17 |
| SO9 | MLB | 2020 | 11.6 |
| BB9 | MLB | 2020 | 2.3 |
| HR9 | MLB | 2020 | 0.8 |
| H9 | MLB | 2020 | 4.9 |
| WHIP | MLB | 2020 | 0.792 |
| Fielding Independent Pitching | MLB | 2020 | 2.57 |
| ERA+ | MLB | 2020 | 232 |
| Batters Faced | MLB | 2020 | 92 |
| Wild Pitches | MLB | 2020 | 0 |
| Balks | MLB | 2020 | 0 |
| Times Hit by a Pitch | MLB | 2020 | 1 |
| Strikeouts | MLB | 2020 | 31 |
| Intentional Bases on Balls | MLB | 2020 | 0 |
| Bases on Balls/Walks | MLB | 2020 | 6 |
| Home Runs Allowed | MLB | 2020 | 2 |
| Earned Runs Allowed | MLB | 2020 | 5 |
| Runs Allowed | MLB | 2020 | 6 |
| Hits Allowed | MLB | 2020 | 13 |
| Innings Pitched | MLB | 2020 | 24.0 |
| Saves | MLB | 2020 | 0 |
| Shutouts | MLB | 2020 | 0 |
| Complete Games | MLB | 2020 | 0 |
| Games Finished | MLB | 2020 | 1 |
| Games Started | MLB | 2020 | 0 |
| Games Pitched | MLB | 2020 | 22 |
| ERA | MLB | 2020 | 1.88 |
| Win-Loss Percentage | MLB | 2020 | .500 |
| Loss | MLB | 2020 | 1 |
| Wins | MLB | 2020 | 1 |
| Wins Above Replacement for Pitchers | MLB | 2020 | 0.7 |
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| SO/BB | MLB | 2019 | 5.86 |
| SO9 | MLB | 2019 | 12.8 |
| BB9 | MLB | 2019 | 2.2 |
| HR9 | MLB | 2019 | 1.2 |
| H9 | MLB | 2019 | 6.9 |
| WHIP | MLB | 2019 | 1.006 |
| Fielding Independent Pitching | MLB | 2019 | 3.06 |
| ERA+ | MLB | 2019 | 182 |
| Batters Faced | MLB | 2019 | 238 |
| Wild Pitches | MLB | 2019 | 3 |
| Balks | MLB | 2019 | 1 |
| Home Runs Allowed | MLB | 2019 | 8 |
| Earned Runs Allowed | MLB | 2019 | 16 |
| Runs Allowed | MLB | 2019 | 23 |
| Hits Allowed | MLB | 2019 | 44 |
| Innings Pitched | MLB | 2019 | 57.2 |
| Saves | MLB | 2019 | 0 |
| Shutouts | MLB | 2019 | 0 |
| Complete Games | MLB | 2019 | 0 |
| Games Finished | MLB | 2019 | 12 |
| Games Started | MLB | 2019 | 0 |
| Games Pitched | MLB | 2019 | 58 |
| ERA | MLB | 2019 | 2.50 |
| Win-Loss Percentage | MLB | 2019 | .833 |
| Loss | MLB | 2019 | 1 |
| Wins | MLB | 2019 | 5 |
| Wins Above Replacement for Pitchers | MLB | 2019 | 1.0 |
| Positions Played | MLB | 2019 | 1 |
| Intentional Bases on Balls | MLB | 2019 | 0 |
| Sacrifice Flies | MLB | 2019 | 0 |
| Sacrifice Hits | MLB | 2019 | 0 |
| Times Hit by a Pitch | MLB | 2019 | 0 |
| GIDP | MLB | 2019 | 0 |
| Total Bases | MLB | 2019 | 0 |
| Strikeouts | MLB | 2019 | 0 |
| Bases on Balls/Walks | MLB | 2019 | 0 |
| Caught Stealing | MLB | 2019 | 0 |
| Stolen Bases | MLB | 2019 | 0 |
| Runs Batted In | MLB | 2019 | 0 |
| Home Runs | MLB | 2019 | 0 |
| Triples | MLB | 2019 | 0 |
| Doubles | MLB | 2019 | 0 |
| Hits | MLB | 2019 | 0 |
| Runs Scored | MLB | 2019 | 0 |
| At Bats | MLB | 2019 | 0 |
| Plate Appearances | MLB | 2019 | 0 |
| Games Played | MLB | 2019 | 3 |
| Wins Above Replacement for position players | MLB | 2019 | 0.0 |
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| SO/BB | MLB | 2018 | 4.75 |
| SO9 | MLB | 2018 | 6.8 |
| BB9 | MLB | 2018 | 1.4 |
| HR9 | MLB | 2018 | 2.2 |
| H9 | MLB | 2018 | 9.4 |
| WHIP | MLB | 2018 | 1.200 |
| Fielding Independent Pitching | MLB | 2018 | 5.36 |
| ERA+ | MLB | 2018 | 60 |
| Batters Faced | MLB | 2018 | 107 |
| Wild Pitches | MLB | 2018 | 2 |
| Balks | MLB | 2018 | 0 |
| Times Hit by a Pitch | MLB | 2018 | 1 |
| Strikeouts | MLB | 2018 | 19 |
| Intentional Bases on Balls | MLB | 2018 | 0 |
| Bases on Balls/Walks | MLB | 2018 | 4 |
| Home Runs Allowed | MLB | 2018 | 6 |
| Earned Runs Allowed | MLB | 2018 | 20 |
| Runs Allowed | MLB | 2018 | 22 |
| Hits Allowed | MLB | 2018 | 26 |
| Innings Pitched | MLB | 2018 | 25.0 |
| Saves | MLB | 2018 | 0 |
| Shutouts | MLB | 2018 | 0 |
| Complete Games | MLB | 2018 | 0 |
| Games Finished | MLB | 2018 | 4 |
| Games Started | MLB | 2018 | 1 |
| Games Pitched | MLB | 2018 | 19 |
| ERA | MLB | 2018 | 7.20 |
| Win-Loss Percentage | MLB | 2018 | .500 |
| Loss | MLB | 2018 | 2 |
| Wins | MLB | 2018 | 2 |
| Wins Above Replacement for Pitchers | MLB | 2018 | -0.8 |
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| SO/BB | MLB | 2017 | 3.72 |
| SO9 | MLB | 2017 | 8.5 |
| BB9 | MLB | 2017 | 2.3 |
| HR9 | MLB | 2017 | 1.1 |
| H9 | MLB | 2017 | 10.0 |
| WHIP | MLB | 2017 | 1.366 |
| Fielding Independent Pitching | MLB | 2017 | 3.72 |
| ERA+ | MLB | 2017 | 90 |
| Batters Faced | MLB | 2017 | 310 |
| Wild Pitches | MLB | 2017 | 4 |
| Balks | MLB | 2017 | 0 |
| Home Runs Allowed | MLB | 2017 | 9 |
| Earned Runs Allowed | MLB | 2017 | 39 |
| Runs Allowed | MLB | 2017 | 41 |
| Hits Allowed | MLB | 2017 | 79 |
| Innings Pitched | MLB | 2017 | 71.0 |
| Saves | MLB | 2017 | 1 |
| Shutouts | MLB | 2017 | 0 |
| Complete Games | MLB | 2017 | 0 |
| Games Finished | MLB | 2017 | 7 |
| Games Started | MLB | 2017 | 0 |
| Games Pitched | MLB | 2017 | 56 |
| ERA | MLB | 2017 | 4.94 |
| Win-Loss Percentage | MLB | 2017 | .400 |
| Loss | MLB | 2017 | 3 |
| Wins | MLB | 2017 | 2 |
| Wins Above Replacement for Pitchers | MLB | 2017 | -0.3 |
| Positions Played | MLB | 2017 | 1 |
| Intentional Bases on Balls | MLB | 2017 | 0 |
| Sacrifice Flies | MLB | 2017 | 0 |
| Sacrifice Hits | MLB | 2017 | 0 |
| Times Hit by a Pitch | MLB | 2017 | 0 |
| GIDP | MLB | 2017 | 0 |
| Total Bases | MLB | 2017 | 0 |
| Strikeouts | MLB | 2017 | 0 |
| Bases on Balls/Walks | MLB | 2017 | 0 |
| Caught Stealing | MLB | 2017 | 0 |
| Stolen Bases | MLB | 2017 | 0 |
| Runs Batted In | MLB | 2017 | 0 |
| Home Runs | MLB | 2017 | 0 |
| Triples | MLB | 2017 | 0 |
| Doubles | MLB | 2017 | 0 |
| Hits | MLB | 2017 | 0 |
| Runs Scored | MLB | 2017 | 0 |
| At Bats | MLB | 2017 | 0 |
| Plate Appearances | MLB | 2017 | 0 |
| Games Played | MLB | 2017 | 2 |
| Wins Above Replacement for position players | MLB | 2017 | 0.0 |
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| SO/BB | MLB | 2016 | 3.56 |
| SO9 | MLB | 2016 | 7.7 |
| BB9 | MLB | 2016 | 2.2 |
| HR9 | MLB | 2016 | 1.7 |
| H9 | MLB | 2016 | 11.3 |
| WHIP | MLB | 2016 | 1.496 |
| Fielding Independent Pitching | MLB | 2016 | 4.73 |
| ERA+ | MLB | 2016 | 66 |
| Batters Faced | MLB | 2016 | 596 |
| Wild Pitches | MLB | 2016 | 9 |
| Balks | MLB | 2016 | 1 |
| Home Runs Allowed | MLB | 2016 | 25 |
| Earned Runs Allowed | MLB | 2016 | 95 |
| Runs Allowed | MLB | 2016 | 103 |
| Hits Allowed | MLB | 2016 | 167 |
| Innings Pitched | MLB | 2016 | 133.0 |
| Saves | MLB | 2016 | 0 |
| Shutouts | MLB | 2016 | 0 |
| Complete Games | MLB | 2016 | 0 |
| Games Finished | MLB | 2016 | 0 |
| Games Started | MLB | 2016 | 26 |
| Games Pitched | MLB | 2016 | 26 |
| ERA | MLB | 2016 | 6.43 |
| Win-Loss Percentage | MLB | 2016 | .429 |
| Loss | MLB | 2016 | 12 |
| Wins | MLB | 2016 | 9 |
| Wins Above Replacement for Pitchers | MLB | 2016 | -1.3 |
| Positions Played | MLB | 2016 | 1 |
| Intentional Bases on Balls | MLB | 2016 | 0 |
| Sacrifice Flies | MLB | 2016 | 0 |
| Sacrifice Hits | MLB | 2016 | 1 |
| Times Hit by a Pitch | MLB | 2016 | 0 |
| GIDP | MLB | 2016 | 0 |
| Total Bases | MLB | 2016 | 0 |
| Rbat+ | MLB | 2016 | -358 |
| rOBA | MLB | 2016 | .000 |
| OPS+ | MLB | 2016 | -100 |
| OPS | MLB | 2016 | .000 |
| SLG | MLB | 2016 | .000 |
| OBP | MLB | 2016 | .000 |
| Hits/At Bats | MLB | 2016 | .000 |
| Strikeouts | MLB | 2016 | 1 |
| Bases on Balls/Walks | MLB | 2016 | 0 |
| Caught Stealing | MLB | 2016 | 0 |
| Stolen Bases | MLB | 2016 | 0 |
| Runs Batted In | MLB | 2016 | 0 |
| Home Runs | MLB | 2016 | 0 |
| Triples | MLB | 2016 | 0 |
| Doubles | MLB | 2016 | 0 |
| Hits | MLB | 2016 | 0 |
| Runs Scored | MLB | 2016 | 0 |
| At Bats | MLB | 2016 | 1 |
| Plate Appearances | MLB | 2016 | 2 |
| Games Played | MLB | 2016 | 1 |
| Wins Above Replacement for position players | MLB | 2016 | 0.0 |
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| SO/BB | MLB | 2015 | 2.65 |
| SO9 | MLB | 2015 | 8.2 |
| BB9 | MLB | 2015 | 3.1 |
| HR9 | MLB | 2015 | 0.6 |
| H9 | MLB | 2015 | 8.7 |
| WHIP | MLB | 2015 | 1.310 |
| Fielding Independent Pitching | MLB | 2015 | 3.24 |
| ERA+ | MLB | 2015 | 131 |
| Batters Faced | MLB | 2015 | 242 |
| Wild Pitches | MLB | 2015 | 1 |
| Balks | MLB | 2015 | 0 |
| Times Hit by a Pitch | MLB | 2015 | 0 |
| Strikeouts | MLB | 2015 | 53 |
| Intentional Bases on Balls | MLB | 2015 | 0 |
| Bases on Balls/Walks | MLB | 2015 | 20 |
| Home Runs Allowed | MLB | 2015 | 4 |
| Earned Runs Allowed | MLB | 2015 | 20 |
| Runs Allowed | MLB | 2015 | 20 |
| Hits Allowed | MLB | 2015 | 56 |
| Innings Pitched | MLB | 2015 | 58.0 |
| Saves | MLB | 2015 | 0 |
| Shutouts | MLB | 2015 | 0 |
| Complete Games | MLB | 2015 | 0 |
| Games Finished | MLB | 2015 | 0 |
| Games Started | MLB | 2015 | 10 |
| Games Pitched | MLB | 2015 | 10 |
| ERA | MLB | 2015 | 3.10 |
| Win-Loss Percentage | MLB | 2015 | .833 |
| Loss | MLB | 2015 | 1 |
| Wins | MLB | 2015 | 5 |
| Wins Above Replacement for Pitchers | MLB | 2015 | 1.6 |
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