Aaron James Bummer (born September 21, 1993) is an American professional baseball pitcher for the Atlanta Braves of Major League Baseball (MLB). He has previously played in MLB for the Chicago White Sox.
Amateur career
After signing with the White Sox, Bummer made his professional debut that same year with the Great Falls Voyagers where he compiled a 2.45 ERA in 22 innings pitched. He missed all of 2015 due to injury. In 2016, he pitched for the Arizona League White Sox, Great Falls, and Winston-Salem Dash where he was a combined 1–2 with a 4.86 ERA in 15 relief appearances between the two teams. He began 2017 with Winston-Salem, was promoted to the Birmingham Barons in May, and was promoted to the Charlotte Knights in July.
Trophies 
Milestones
Former Youth Teams
None found...
None found...
| SO/BB | MLB | 2023 | 2.17 |
| SO9 | MLB | 2023 | 12.0 |
| BB9 | MLB | 2023 | 5.6 |
| HR9 | MLB | 2023 | 0.6 |
| H9 | MLB | 2023 | 8.2 |
| WHIP | MLB | 2023 | 1.526 |
| Fielding Independent Pitching | MLB | 2023 | 3.58 |
| ERA+ | MLB | 2023 | 65 |
| Batters Faced | MLB | 2023 | 267 |
| Wild Pitches | MLB | 2023 | 6 |
| Balks | MLB | 2023 | 0 |
| Home Runs Allowed | MLB | 2023 | 4 |
| Earned Runs Allowed | MLB | 2023 | 44 |
| Runs Allowed | MLB | 2023 | 45 |
| Hits Allowed | MLB | 2023 | 53 |
| Innings Pitched | MLB | 2023 | 58.1 |
| Saves | MLB | 2023 | 0 |
| Shutouts | MLB | 2023 | 0 |
| Complete Games | MLB | 2023 | 0 |
| Games Finished | MLB | 2023 | 8 |
| Games Started | MLB | 2023 | 0 |
| Games Pitched | MLB | 2023 | 61 |
| ERA | MLB | 2023 | 6.79 |
| Win-Loss Percentage | MLB | 2023 | .500 |
| Loss | MLB | 2023 | 5 |
| Wins | MLB | 2023 | 5 |
| Wins Above Replacement for Pitchers | MLB | 2023 | -1.0 |
| Positions Played | MLB | 2023 | 1 |
| Intentional Bases on Balls | MLB | 2023 | 0 |
| Sacrifice Flies | MLB | 2023 | 0 |
| Sacrifice Hits | MLB | 2023 | 0 |
| Times Hit by a Pitch | MLB | 2023 | 0 |
| GIDP | MLB | 2023 | 0 |
| Total Bases | MLB | 2023 | 0 |
| Strikeouts | MLB | 2023 | 0 |
| Bases on Balls/Walks | MLB | 2023 | 0 |
| Caught Stealing | MLB | 2023 | 0 |
| Stolen Bases | MLB | 2023 | 0 |
| Runs Batted In | MLB | 2023 | 0 |
| Home Runs | MLB | 2023 | 0 |
| Triples | MLB | 2023 | 0 |
| Doubles | MLB | 2023 | 0 |
| Hits | MLB | 2023 | 0 |
| Runs Scored | MLB | 2023 | 0 |
| At Bats | MLB | 2023 | 0 |
| Plate Appearances | MLB | 2023 | 0 |
| Games Played | MLB | 2023 | 1 |
| Wins Above Replacement for position players | MLB | 2023 | 0.0 |
|
|
| SO/BB | MLB | 2022 | 3.00 |
| SO9 | MLB | 2022 | 10.1 |
| BB9 | MLB | 2022 | 3.4 |
| HR9 | MLB | 2022 | 0.7 |
| H9 | MLB | 2022 | 10.1 |
| WHIP | MLB | 2022 | 1.500 |
| Fielding Independent Pitching | MLB | 2022 | 3.19 |
| ERA+ | MLB | 2022 | 170 |
| Batters Faced | MLB | 2022 | 117 |
| Wild Pitches | MLB | 2022 | 0 |
| Balks | MLB | 2022 | 0 |
| Home Runs Allowed | MLB | 2022 | 2 |
| Earned Runs Allowed | MLB | 2022 | 7 |
| Runs Allowed | MLB | 2022 | 11 |
| Hits Allowed | MLB | 2022 | 30 |
| Innings Pitched | MLB | 2022 | 26.2 |
| Saves | MLB | 2022 | 2 |
| Shutouts | MLB | 2022 | 0 |
| Complete Games | MLB | 2022 | 0 |
| Games Finished | MLB | 2022 | 3 |
| Games Started | MLB | 2022 | 0 |
| Games Pitched | MLB | 2022 | 32 |
| ERA | MLB | 2022 | 2.36 |
| Win-Loss Percentage | MLB | 2022 | .667 |
| Loss | MLB | 2022 | 1 |
| Wins | MLB | 2022 | 2 |
| Wins Above Replacement for Pitchers | MLB | 2022 | 0.6 |
| 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 | 1 |
| Wins Above Replacement for position players | MLB | 2022 | 0.0 |
|
|
| SO/BB | MLB | 2021 | 2.59 |
| SO9 | MLB | 2021 | 12.0 |
| BB9 | MLB | 2021 | 4.6 |
| HR9 | MLB | 2021 | 0.5 |
| H9 | MLB | 2021 | 6.7 |
| WHIP | MLB | 2021 | 1.260 |
| Fielding Independent Pitching | MLB | 2021 | 2.96 |
| ERA+ | MLB | 2021 | 125 |
| Batters Faced | MLB | 2021 | 242 |
| Wild Pitches | MLB | 2021 | 5 |
| Balks | MLB | 2021 | 0 |
| Home Runs Allowed | MLB | 2021 | 3 |
| Earned Runs Allowed | MLB | 2021 | 22 |
| Runs Allowed | MLB | 2021 | 28 |
| Hits Allowed | MLB | 2021 | 42 |
| Innings Pitched | MLB | 2021 | 56.1 |
| Saves | MLB | 2021 | 2 |
| Shutouts | MLB | 2021 | 0 |
| Complete Games | MLB | 2021 | 0 |
| Games Finished | MLB | 2021 | 6 |
| Games Started | MLB | 2021 | 0 |
| Games Pitched | MLB | 2021 | 62 |
| ERA | MLB | 2021 | 3.51 |
| Win-Loss Percentage | MLB | 2021 | .500 |
| Loss | MLB | 2021 | 5 |
| Wins | MLB | 2021 | 5 |
| Wins Above Replacement for Pitchers | MLB | 2021 | 0.5 |
| 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 |
|
|
| SO/BB | MLB | 2020 | 2.80 |
| SO9 | MLB | 2020 | 13.5 |
| BB9 | MLB | 2020 | 4.8 |
| HR9 | MLB | 2020 | 0.0 |
| H9 | MLB | 2020 | 4.8 |
| WHIP | MLB | 2020 | 1.071 |
| Fielding Independent Pitching | MLB | 2020 | 1.80 |
| ERA+ | MLB | 2020 | 476 |
| Batters Faced | MLB | 2020 | 38 |
| Wild Pitches | MLB | 2020 | 0 |
| Balks | MLB | 2020 | 0 |
| Times Hit by a Pitch | MLB | 2020 | 0 |
| Strikeouts | MLB | 2020 | 14 |
| Intentional Bases on Balls | MLB | 2020 | 0 |
| Bases on Balls/Walks | MLB | 2020 | 5 |
| Home Runs Allowed | MLB | 2020 | 0 |
| Earned Runs Allowed | MLB | 2020 | 1 |
| Runs Allowed | MLB | 2020 | 1 |
| Hits Allowed | MLB | 2020 | 5 |
| Innings Pitched | MLB | 2020 | 9.1 |
| 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 | 9 |
| ERA | MLB | 2020 | 0.96 |
| Win-Loss Percentage | MLB | 2020 | 1.000 |
| Loss | MLB | 2020 | 0 |
| Wins | MLB | 2020 | 1 |
| Wins Above Replacement for Pitchers | MLB | 2020 | 0.4 |
|
|
| SO/BB | MLB | 2019 | 2.50 |
| SO9 | MLB | 2019 | 8.0 |
| BB9 | MLB | 2019 | 3.2 |
| HR9 | MLB | 2019 | 0.5 |
| H9 | MLB | 2019 | 5.7 |
| WHIP | MLB | 2019 | 0.990 |
| Fielding Independent Pitching | MLB | 2019 | 3.41 |
| ERA+ | MLB | 2019 | 216 |
| Batters Faced | MLB | 2019 | 262 |
| Wild Pitches | MLB | 2019 | 4 |
| Balks | MLB | 2019 | 0 |
| Home Runs Allowed | MLB | 2019 | 4 |
| Earned Runs Allowed | MLB | 2019 | 16 |
| Runs Allowed | MLB | 2019 | 17 |
| Hits Allowed | MLB | 2019 | 43 |
| Innings Pitched | MLB | 2019 | 67.2 |
| Saves | MLB | 2019 | 1 |
| Shutouts | MLB | 2019 | 0 |
| Complete Games | MLB | 2019 | 0 |
| Games Finished | MLB | 2019 | 5 |
| Games Started | MLB | 2019 | 0 |
| Games Pitched | MLB | 2019 | 58 |
| ERA | MLB | 2019 | 2.13 |
| Loss | MLB | 2019 | 0 |
| Wins | MLB | 2019 | 0 |
| Wins Above Replacement for Pitchers | MLB | 2019 | 2.7 |
| 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 | 7 |
| Wins Above Replacement for position players | MLB | 2019 | 0.0 |
|
|
| SO/BB | MLB | 2018 | 3.50 |
| SO9 | MLB | 2018 | 9.9 |
| BB9 | MLB | 2018 | 2.8 |
| HR9 | MLB | 2018 | 0.3 |
| H9 | MLB | 2018 | 11.4 |
| WHIP | MLB | 2018 | 1.579 |
| Fielding Independent Pitching | MLB | 2018 | 2.40 |
| ERA+ | MLB | 2018 | 100 |
| Batters Faced | MLB | 2018 | 144 |
| Wild Pitches | MLB | 2018 | 7 |
| Balks | MLB | 2018 | 1 |
| Home Runs Allowed | MLB | 2018 | 1 |
| Earned Runs Allowed | MLB | 2018 | 15 |
| Runs Allowed | MLB | 2018 | 19 |
| Hits Allowed | MLB | 2018 | 40 |
| Innings Pitched | MLB | 2018 | 31.2 |
| Saves | MLB | 2018 | 0 |
| Shutouts | MLB | 2018 | 0 |
| Complete Games | MLB | 2018 | 0 |
| Games Finished | MLB | 2018 | 9 |
| Games Started | MLB | 2018 | 0 |
| Games Pitched | MLB | 2018 | 37 |
| ERA | MLB | 2018 | 4.26 |
| Win-Loss Percentage | MLB | 2018 | .000 |
| Loss | MLB | 2018 | 1 |
| Wins | MLB | 2018 | 0 |
| Wins Above Replacement for Pitchers | MLB | 2018 | -0.1 |
| Positions Played | MLB | 2018 | 1 |
| Intentional Bases on Balls | MLB | 2018 | 0 |
| Sacrifice Flies | MLB | 2018 | 0 |
| Sacrifice Hits | MLB | 2018 | 0 |
| Times Hit by a Pitch | MLB | 2018 | 0 |
| GIDP | MLB | 2018 | 0 |
| Total Bases | MLB | 2018 | 0 |
| Strikeouts | MLB | 2018 | 0 |
| Bases on Balls/Walks | MLB | 2018 | 0 |
| Caught Stealing | MLB | 2018 | 0 |
| Stolen Bases | MLB | 2018 | 0 |
| Runs Batted In | MLB | 2018 | 0 |
| Home Runs | MLB | 2018 | 0 |
| Triples | MLB | 2018 | 0 |
| Doubles | MLB | 2018 | 0 |
| Hits | MLB | 2018 | 0 |
| Runs Scored | MLB | 2018 | 0 |
| At Bats | MLB | 2018 | 0 |
| Plate Appearances | MLB | 2018 | 0 |
| Games Played | MLB | 2018 | 4 |
| Wins Above Replacement for position players | MLB | 2018 | 0.0 |
|
|
| SO/BB | MLB | 2017 | 1.13 |
| SO9 | MLB | 2017 | 7.0 |
| BB9 | MLB | 2017 | 6.1 |
| HR9 | MLB | 2017 | 1.6 |
| H9 | MLB | 2017 | 5.3 |
| WHIP | MLB | 2017 | 1.273 |
| Fielding Independent Pitching | MLB | 2017 | 6.16 |
| ERA+ | MLB | 2017 | 97 |
| Batters Faced | MLB | 2017 | 91 |
| Wild Pitches | MLB | 2017 | 1 |
| Balks | MLB | 2017 | 0 |
| Home Runs Allowed | MLB | 2017 | 4 |
| Earned Runs Allowed | MLB | 2017 | 11 |
| Runs Allowed | MLB | 2017 | 11 |
| Hits Allowed | MLB | 2017 | 13 |
| Innings Pitched | MLB | 2017 | 22.0 |
| Saves | MLB | 2017 | 0 |
| Shutouts | MLB | 2017 | 0 |
| Complete Games | MLB | 2017 | 0 |
| Games Finished | MLB | 2017 | 3 |
| Games Started | MLB | 2017 | 0 |
| Games Pitched | MLB | 2017 | 30 |
| ERA | MLB | 2017 | 4.50 |
| Win-Loss Percentage | MLB | 2017 | .250 |
| Loss | MLB | 2017 | 3 |
| Wins | MLB | 2017 | 1 |
| Wins Above Replacement for Pitchers | MLB | 2017 | 0.2 |
| 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 |
|
(0 users) 
Valencia, California
Baseball
