Aaron Bummer is a left-handed pitcher for the Iowa Cubs.
In MLB, Aaron Bummer has appeared in 406 games (397.0 IP) with a 3.94 ERA, a 1.34 WHIP, and 10.02 strikeouts per nine innings, on 442 strikeouts and 174 walks. In AAA, Aaron Bummer has appeared in 43 games (47.1 IP) with a 2.85 ERA, a 1.25 WHIP, and 8.18 strikeouts per nine innings, on 43 strikeouts and 15 walks.
Aaron Bummer's most recent tracked outing on netpitch was Jul 4, 2026 (AAA 2026).
Use the interactive dashboard above to break down Aaron Bummer's pitch mix, velocity, command, sequencing, count leverage, and damage-risk trends across every tracked MLB and AAA appearance.
| Level | G | IP | ERA | WHIP | K | BB | K/9 | BB/9 |
|---|---|---|---|---|---|---|---|---|
| mlb | 406 | 397.0 | 3.94 | 1.34 | 442 | 174 | 10.02 | 3.94 |
| aaa | 43 | 47.1 | 2.85 | 1.25 | 43 | 15 | 8.18 | 2.85 |
| Date | Lvl | Opp | IP | H | ER | BB | K |
|---|---|---|---|---|---|---|---|
| Jul 4, 2026 | AAA | Toledo Mud Hens | 1.0 | 1 | 0 | 0 | 0 |
| Jul 1, 2026 | AAA | Toledo Mud Hens | 1.0 | 1 | 1 | 0 | 0 |
| May 18, 2026 | MLB | Miami Marlins | 1.0 | 3 | 6 | 5 | 1 |
| May 14, 2026 | MLB | Chicago Cubs | 1.1 | 0 | 0 | 0 | 1 |
| May 8, 2026 | MLB | Los Angeles Dodgers | 1.0 | 0 | 0 | 0 | 0 |