Iowa Cubs· Pitcher
Aaron Bummer “Bum”
Bats L · Throws L·Age 32 (Sep 21, 1993)·6' 3", 215 lb·Valencia, CA, USA
2026 Pitching
ERA
7.63
WHIP
1.83
IP
15.1
K%
16.9
BB%
13.0
K/9
7.63
W-L
1-1
GS
0
SV
0
HLD
4
DiamondIQ WAR
15.3 IP · 2026
-0.7
-7.4 runs above replacement
FIP · 8.64 (park 0.97)0.0
vs replacement · RP, 15.3 IP-7.4
FIP-based runs above replacement, park-adjusted, scaled by innings over runs-per-win. Reliever leverage is simplified (v1). Full methodology.
Pitch Arsenal · Statcast
Sinker39% · 90.2 · 14% whiff
Curveball23% · 80.1 · 19% whiff
Sweeper18% · 80.5 · 46% whiff
Cutter12% · 87.7 · 20% whiff
Four-Seam9% · 90.5 · 13% whiff
Career Pitching
| Yr | Tm | W | L | ERA | G | GS | SV | IP | SO | BB | WHIP | K/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | Atlanta Braves | 1 | 1 | 7.63 | 19 | 0 | 0 | 15.1 | 13 | 10 | 1.83 | 7.63 |
| 2025 | Atlanta Braves | 3 | 2 | 3.81 | 42 | 2 | 0 | 54.1 | 51 | 17 | 1.25 | 8.45 |
| 2024 | Atlanta Braves | 4 | 3 | 3.58 | 56 | 0 | 0 | 55.1 | 69 | 18 | 1.43 | 11.22 |
| 2023 | Chicago White Sox | 5 | 5 | 6.79 | 61 | 0 | 0 | 58.1 | 78 | 36 | 1.53 | 12.03 |
| 2022 | Chicago White Sox | 2 | 1 | 2.36 | 32 | 0 | 2 | 26.2 | 30 | 10 | 1.50 | 10.13 |
Recent Games
May 18 @ Miami MarlinsL
1.0 IP, 6 ER, 1 K, 5 BB
May 14 vs Chicago CubsL
1.1 IP, 0 ER, 1 K, 0 BB
May 8 @ Los Angeles DodgersL
1.0 IP, 0 ER, 0 K, 0 BB
May 4 @ Seattle MarinersL
0.2 IP, 0 ER, 1 K, 1 BB
May 3 @ Colorado RockiesW
1.0 IP, 2 ER, 2 K, 0 BB
Apr 30 vs Detroit TigersL
0.2 IP, 0 ER, 1 K, 1 BB
Apr 28 vs Detroit TigersW
1.0 IP, 2 ER, 0 K, 0 BB
Apr 26 vs Philadelphia PhilliesW
1.0 IP, 0 ER, 1 K, 0 BB
Apr 24 vs Philadelphia PhilliesW
1.0 IP, 0 ER, 0 K, 0 BB
Apr 21 @ Washington NationalsL
1.0 IP, 0 ER, 1 K, 0 BB