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Aaron Bummer

Aaron Bummer

Kansas City Royals
P
Age: 33
Bats/Throws: L/L
6'3" / 215
DOB: 9/21/1993
(33 years, 1 month, 5 days)
P
Player Dashboard:
Season20262026Total
TeamFGDC- - -- - -
LevelPROJMLBMLB
G6021408
GS002
IP60.016.2398.1
K%24.1%14.8%25.6%
BB%8.9%12.5%10.1%
GB%45.2%62.2%
ERA3.5610.264.07
FIP3.509.163.48
WAR0.4-0.94.8
2026 Pitch
Selection
SI:39%
SL:22%
CU:21%
FC:10%
FA:8%
RosterResource
Draft:2014, Rd: 19, Pick: 3, Ovr: 558
Draft Team:Chicago White Sox
School:Nebraska
Contract2 yr, $13M (2025-26) (RR)
Extension
AAV: $6.50M
Contract1 yr, $29.2k (2026) (RR)
Free Agent
AAV: $29k
Notes$780k, prorated
Service Time
7.150
MiLB Options
n/a
Free Agent
2027
News
Rotowire: The Royals optioned Bummer to Triple-A Omaha on Friday, and Bummer elected to become a free agent. (8/7/2026)
FG
6/29/26
RG
6/9/25
FG
9/17/24
FG
6/4/24
FG
12/21/23
FG
11/22/23
RG
11/17/23
FG
11/17/23
RG
3/9/23
RG
3/1/23
FG
7/19/21
RG
4/12/21
FG
4/6/21
FG
1/13/21
RG
7/23/20
RG
7/3/20
FG
2/24/20
FG
2/6/20
RG
2/3/20
RG
8/7/19
RG
7/27/19
RG
7/21/19
FG
7/21/19
RG
7/20/19
RG
7/14/19
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Season20262026Total
TeamFGDC- - -- - -
LevelPROJMLBMLB
G6021408
GS002
IP60.016.2398.1
K%24.1%14.8%25.6%
BB%8.9%12.5%10.1%
GB%45.2%62.2%
ERA3.5610.264.07
FIP3.509.163.48
WAR0.4-0.94.8
2026 Pitch
Selection
SI:39%
SL:22%
CU:21%
FC:10%
FA:8%
RosterResource
Draft:2014, Rd: 19, Pick: 3, Ovr: 558
Draft Team:Chicago White Sox
School:Nebraska
Contract2 yr, $13M (2025-26) (RR)
Extension
AAV: $6.50M
Contract1 yr, $29.2k (2026) (RR)
Free Agent
AAV: $29k
Notes$780k, prorated
Service Time
7.150
MiLB Options
n/a
Free Agent
2027
News
Rotowire: The Royals optioned Bummer to Triple-A Omaha on Friday, and Bummer elected to become a free agent. (8/7/2026)
FG
6/29/26
RG
6/9/25
FG
9/17/24
FG
6/4/24
FG
12/21/23
FG
11/22/23
RG
11/17/23
FG
11/17/23
RG
3/9/23
RG
3/1/23
FG
7/19/21
RG
4/12/21
FG
4/6/21
FG
1/13/21
RG
7/23/20
RG
7/3/20
FG
2/24/20
FG
2/6/20
RG
2/3/20
RG
8/7/19
RG
7/27/19
RG
7/21/19
FG
7/21/19
RG
7/20/19
RG
7/14/19
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All
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RG
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Comparison

Rate:
ERA
  • ERA
  • K/9
  • BB/9
  • K/BB
  • HR/9
  • AVG
  • WHIP
  • BABIP
  • LOB%
  • FIP
    • Counting:
    Select
  • W
  • L
  • CG
  • ShO
  • SV
  • H
  • HR
  • SO
  • BB
  • HBP

    • ERA by Season

    Aaron BummerAverage
    Season201620182020202220242026ERA2.004.006.008.0010.00

    ERA by Age

    Aaron BummerAverage
    Age222426283032ERA2.004.006.008.0010.00