Aaron Bummer
#36 P · B/T: L/L · 6' 3", 215 lb · Age 32 · Valencia, CA, USA · MLB debut 2017 · Draft: 2014 Rd 31 #959 (NYY) — Sunrise Mountain (AZ) HS · Chicago White Sox
Career Graph
Pitching
| Season | Team | W | L | SV | G | GS | QS | IP | IP/G | SO | K/9 | BB/9 | ERA | FIP | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2017 | CWS | 1 | 3 | 0 | 30 | 0 | — | 22.0 | 0.7 | 17 | 7.0 | 6.1 | 4.50 | — | — |
| 2018 | CWS | 0 | 1 | 0 | 37 | 0 | — | 31.2 | 0.9 | 35 | 9.9 | 2.8 | 4.26 | — | — |
| 2019 | CWS | 0 | 0 | 1 | 58 | 0 | — | 67.2 | 1.2 | 60 | 8.0 | 3.2 | 2.13 | — | — |
| 2020 | CWS | 1 | 0 | 0 | 9 | 0 | — | 9.1 | 1.0 | 14 | 13.5 | 4.8 | 0.96 | — | — |
| 2021 | CWS | 5 | 5 | 2 | 62 | 0 | — | 56.1 | 0.9 | 75 | 12.0 | 4.6 | 3.51 | — | — |
| 2022 | CWS | 2 | 1 | 2 | 32 | 0 | — | 26.2 | 0.8 | 30 | 10.1 | 3.4 | 2.36 | — | — |
| 2023 | CWS | 5 | 5 | 0 | 61 | 0 | — | 58.1 | 1.0 | 78 | 12.0 | 5.6 | 6.79 | — | — |
| 2024 | ATL | 4 | 3 | 0 | 56 | 0 | — | 55.1 | 1.0 | 69 | 11.2 | 2.9 | 3.58 | — | — |
| 2025 | ATL | 3 | 2 | 0 | 42 | 2 | 0 | 54.1 | 1.3 | 51 | 8.4 | 2.8 | 3.81 | 3.52 | 0.4 |
| 2026 | ATL | 1 | 1 | 0 | 19 | 0 | 0 | 15.1 | 0.8 | 13 | 7.6 | 5.9 | 7.63 | 8.64 | -0.8 |
| 2026 | KC | 1 | 2 | 0 | 21 | 0 | 0 | 16.2 | 0.8 | 13 | 7.0 | 5.9 | 10.26 | 9.14 | -0.9 |
| 2026 pace | 1 | 3 | 0 | 27 | 0 | 21.1 | 17 | ||||||||
| Career | 23 | 23 | 5 | 427 | 2 | 0 | 413.2 | 1.0 | 455 | 9.9 | 4.0 | 4.20 | — | -1.3 |
| Season | Team | W | L | SV | G | GS | IP | IP/G | SO | K/9 | BB/9 | ERA |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Triple-A (AAA) | ||||||||||||
| 2017 | CLT | 0 | 0 | 0 | 3 | 0 | 5.0 | 1.7 | 5 | 9.0 | 1.8 | 1.80 |
| 2018 | CLT | 2 | 3 | 0 | 31 | 0 | 30.2 | 1.0 | 30 | 8.8 | 3.2 | 2.64 |
| 2019 | CLT | 0 | 0 | 0 | 5 | 0 | 7.2 | 1.5 | 6 | 7.0 | 2.3 | 2.35 |
| 2022 | CLT | 0 | 0 | 0 | 2 | 0 | 2.0 | 1.0 | 2 | 9.0 | 4.5 | 9.00 |
| 2026 | IOW | 0 | 0 | 0 | 4 | 0 | 4.0 | 1.0 | 3 | 6.8 | 0.0 | 9.00 |
| 2026 | OMA | 0 | 0 | 1 | 8 | 0 | 8.1 | 1.0 | 10 | 10.8 | 1.1 | 4.32 |
| AAA Total | 2 | 3 | 1 | 53 | 0 | 57.2 | 1.1 | 56 | 8.7 | 2.5 | 3.43 | |
| Double-A (AA) | ||||||||||||
| 2017 | BIR | 1 | 3 | 3 | 17 | 1 | 33.0 | 1.9 | 34 | 9.3 | 4.4 | 3.00 |
| AA Total | 1 | 3 | 3 | 17 | 1 | 33.0 | 1.9 | 34 | 9.3 | 4.4 | 3.00 | |
| High-A (A+) | ||||||||||||
| 2016 | WS | 0 | 1 | 0 | 4 | 0 | 5.0 | 1.3 | 1 | 1.8 | 1.8 | 1.80 |
| 2017 | WS | 0 | 2 | 2 | 8 | 0 | 11.0 | 1.4 | 15 | 12.3 | 2.5 | 4.91 |
| A+ Total | 0 | 3 | 2 | 12 | 0 | 16.0 | 1.3 | 16 | 9.0 | 2.3 | 3.94 | |
| Rookie (Rk) | ||||||||||||
| 2014 | GTF | 0 | 0 | 1 | 16 | 0 | 22.0 | 1.4 | 28 | 11.5 | 2.5 | 2.45 |
| 2016 | GTF | 1 | 1 | 0 | 11 | 0 | 11.2 | 1.1 | 17 | 13.1 | 4.6 | 6.17 |
| 2026 | A-CUB | 1 | 0 | 0 | 2 | 1 | 2.0 | 1.0 | 3 | 13.5 | 0.0 | 0.00 |
| Rk Total | 2 | 1 | 1 | 29 | 1 | 35.2 | 1.2 | 48 | 12.1 | 3.0 | 3.53 | |
| Minors Total | 5 | 10 | 7 | 111 | 2 | 142.1 | 1.3 | 154 | 9.7 | 3.0 | 3.41 | |
Batting
| Season | Team | G | PA | AB | R | H | 2B | 3B | HR | RBI | SB | BB | SO | BB% | K% | AVG | OBP | SLG | OPS | wOBA | wRC+ | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2017 | CWS | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | — | — | .000 | .000 | .000 | .000 | — | — | — |
| 2018 | CWS | 37 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | — | — | .000 | .000 | .000 | .000 | — | — | — |
| 2019 | CWS | 58 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | — | — | .000 | .000 | .000 | .000 | — | — | — |
| 2021 | CWS | 62 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | — | — | .000 | .000 | .000 | .000 | — | — | — |
| 2022 | CWS | 32 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | — | — | .000 | .000 | .000 | .000 | — | — | — |
| 2023 | CWS | 61 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | — | — | .000 | .000 | .000 | .000 | — | — | — |
| Career | 280 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | — | — | — | — | — | — | — | — | — |
Fielding
| Season | Team | Pos | G | Inn | PO | A | E | FPCT |
|---|---|---|---|---|---|---|---|---|
| 2026 | ATL | P | 19 | 15.1 | 0 | 3 | 0 | 1.000 |
| 2026 | KC | P | 21 | 16.2 | 0 | 3 | 0 | 1.000 |
| Career | P | 40 | 32.0 | 0 | 6 | 0 | 1.000 |
| Season | Team | Pos | G | Inn | PO | A | E | FPCT |
|---|---|---|---|---|---|---|---|---|
| Triple-A (AAA) | ||||||||
| 2017 | CLT | P | 3 | 5.0 | 0 | 1 | 0 | 1.000 |
| 2018 | CLT | P | 31 | 30.2 | 4 | 5 | 1 | .900 |
| 2019 | CLT | P | 5 | 7.2 | 1 | 2 | 0 | 1.000 |
| 2022 | CLT | P | 2 | 2.0 | 0 | 1 | 0 | 1.000 |
| 2026 | OMA | P | 8 | 8.1 | 1 | 1 | 0 | 1.000 |
| AAA Total | — | 49 | 53.2 | 6 | 10 | 1 | .941 | |
| Double-A (AA) | ||||||||
| 2017 | BIR | P | 17 | 33.0 | 3 | 8 | 0 | 1.000 |
| AA Total | — | 17 | 33.0 | 3 | 8 | 0 | 1.000 | |
| High-A (A+) | ||||||||
| 2016 | WS | P | 4 | 5.0 | 0 | 0 | 0 | .000 |
| 2017 | WS | P | 8 | 11.0 | 2 | 2 | 0 | 1.000 |
| A+ Total | — | 12 | 16.0 | 2 | 2 | 0 | 1.000 | |
| Rookie (Rk) | ||||||||
| 2014 | GTF | P | 16 | 22.0 | 2 | 2 | 0 | 1.000 |
| 2016 | GTF | P | 11 | 11.2 | 0 | 1 | 0 | 1.000 |
| 2026 | A-CUB | P | 2 | 2.0 | 0 | 0 | 0 | .000 |
| Rk Total | — | 29 | 35.2 | 2 | 3 | 0 | 1.000 | |
| Minors Total | — | 107 | 138.1 | 13 | 23 | 1 | .973 | |
over the trailing
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