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Aaron Bummer
Kansas City Royals · —
#
36
Team
KC · P
Debut
2017 · 10 MLB seasons

Aaron Bummer

Size 6' 3" · 215
Throws —
Bats —
From Valencia, CA
1-1 W-L
Team profile →Rotation →
8.82
ERA
1.96
WHIP
7.2
K/9
5.5
BB/9
16.1
Innings
0
Starts
Aaron Bummer season snapshot
Season stats
ERA
8.82
WHIP
1.96
K/9
7.2
BB/9
5.5
HR/9
3.86
IP
16.1
GS
0
W-L
1-1
Aaron Bummer ERA trend
Last 6

No start data available.

Aaron Bummer game log

2026 season
DateOpponentIPHERKBBERA
Aaron Bummer monthly splits
ERA · IP · K · BB · WHIP per month
MonthGSERAIPKBBWHIP
Mar00.001.2200.60
Apr05.198.2641.50
May014.405.0562.80
Aug027.001.0004.00
Pitch arsenal
Usage and average velocity · 2026
SISinker
39.3%90.3 mph
CUCurveball
21.4%80.1 mph
STSweeper
20.5%80.6 mph
FCCutter
10.7%87.7 mph
FFFour-seam FB
8.1%90.5 mph

Hot / Cold zones

Opponent results by strike zone area

AVG by zone

  • Zone 01: .000
  • Zone 02: .000
  • Zone 03: 1.000
  • Zone 04: .125
  • Zone 05: .417
  • Zone 06: .667
  • Zone 07: .167
  • Zone 08: .545
  • Zone 09: .200
  • Zone 11: .000
  • Zone 12: -
  • Zone 13: .071
  • Zone 14: .000

OPS by zone

  • Zone 01: .000
  • Zone 02: .000
  • Zone 03: 2.000
  • Zone 04: .556
  • Zone 05: 1.417
  • Zone 06: 1.800
  • Zone 07: .500
  • Zone 08: 1.636
  • Zone 09: 1.000
  • Zone 11: .000
  • Zone 12: 1.000
  • Zone 13: .455
  • Zone 14: .500

SLG by zone

  • Zone 01: .000
  • Zone 02: .000
  • Zone 03: 1.000
  • Zone 04: .500
  • Zone 05: 1.000
  • Zone 06: 1.333
  • Zone 07: .333
  • Zone 08: 1.091
  • Zone 09: .800
  • Zone 11: .000
  • Zone 12: .000
  • Zone 13: .071
  • Zone 14: .000

OBP by zone

  • Zone 01: .000
  • Zone 02: .000
  • Zone 03: 1.000
  • Zone 04: .111
  • Zone 05: .417
  • Zone 06: .600
  • Zone 07: .167
  • Zone 08: .545
  • Zone 09: .200
  • Zone 11: .000
  • Zone 12: 1.000
  • Zone 13: .409
  • Zone 14: .500

numberOfPitches by zone

  • Zone 01: 9.00
  • Zone 02: 9.00
  • Zone 03: 6.00
  • Zone 04: 22.00
  • Zone 05: 26.00
  • Zone 06: 19.00
  • Zone 07: 25.00
  • Zone 08: 29.00
  • Zone 09: 8.00
  • Zone 11: 19.00
  • Zone 12: 20.00
  • Zone 13: 94.00
  • Zone 14: 22.00

earnedRunAverage by zone

  • Zone 01: -
  • Zone 02: -
  • Zone 03: -
  • Zone 04: -
  • Zone 05: -
  • Zone 06: -
  • Zone 07: -
  • Zone 08: -
  • Zone 09: -
  • Zone 11: -
  • Zone 12: -
  • Zone 13: -
  • Zone 14: -

numberOfStrikes by zone

  • Zone 01: 5.00
  • Zone 02: 8.00
  • Zone 03: 5.00
  • Zone 04: 12.00
  • Zone 05: 14.00
  • Zone 06: 10.00
  • Zone 07: 19.00
  • Zone 08: 20.00
  • Zone 09: 4.00
  • Zone 11: 3.00
  • Zone 12: 3.00
  • Zone 13: 24.00
  • Zone 14: 9.00
0.4000.3000.200
.071.000-.000.000.0001.000.125.417.667.167.545.200
0.4000.3000.200

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