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 Aug 6, 2026 (MLB 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 |
|---|---|---|---|---|---|---|---|
| Aug 6, 2026 | MLB | Minnesota Twins | 0.1 | 2 | 3 | 1 | 0 |
| Aug 2, 2026 | MLB | Colorado Rockies | 1.0 | 4 | 3 | 0 | 0 |
| Jul 31, 2026 | AAA | St. Paul Saints | 1.0 | 1 | 0 | 0 | 0 |
| Jul 28, 2026 | AAA | St. Paul Saints | 1.0 | 0 | 0 | 0 | 2 |
| Jul 26, 2026 | AAA | Salt Lake Bees | 1.0 | 0 | 0 | 1 | 1 |