Aaron Bummer

Pitcher · Career Stats, Bio & Records (2017-2026)

Active Player
W–L 22–22
ERA 4.07
WHIP 1.35
SO 442
Pitcher PIV 9247.2
Position
Pitcher
Bats / Throws
L / L
Height / Weight
6'3" / 215 lb
Born
9/21/1993 in Valencia, CA, USA
MLB Debut
2017-07-27

Full name: Aaron James Bummer

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Career Pitching Statistics

W L G GS CG SHO SV IP H ER HR BB SO ERA Pitcher PIV
22 22 408 2 0 0 5 398.3 362 180 30 175 442 4.07 9247.2

Career ERA 4.07 vs. league average 4.23 across their career seasons — near league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

Year Team Lg W L G GS CG SHO SV IP H ER BB SO ERA Lg ERA Pitcher PIV
2017 CHA AL 1 3 30 0 0 0 0 22.0 13 11 15 17 4.50 4.36 (-3%) -989.8
2018 CHA AL 0 1 37 0 0 0 0 31.7 40 15 10 35 4.26 4.15 (-3%) 1391.3
2019 CHA AL 0 0 58 0 0 0 1 67.7 43 16 24 60 2.13 4.51 (+53%) 1884.8
2020 CHA AL 1 0 9 0 0 0 0 9.3 5 1 5 14 0.96 4.45 (+78%) 0.0
2021 CHA AL 5 5 62 0 0 0 2 56.3 42 22 29 75 3.51 4.27 (+18%) 1864.2
2022 CHA AL 2 1 32 0 0 0 2 26.7 30 7 10 30 2.36 3.97 (+40%) 523.5
2023 CHA AL 5 5 61 0 0 0 0 58.3 53 44 36 78 6.79 4.33 (-57%) 1108.3
2024 ATL NL 4 3 56 0 0 0 0 55.3 61 22 18 69 3.58 4.08 (+12%) 2590.2
2025 ATL NL 3 2 42 2 0 0 0 54.3 51 23 17 51 3.81 4.16 (+8%) 874.7
2026 KC AL 1 2 21 0 0 0 0 16.7 24 19 11 13 10.26 4.16 (-146%) -
Career · 10 seasons 22 22 408 2 0 0 5 398.1 362 180 175 442 4.07 — 9,247

Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.

Career Batting Statistics

G AB R H 2B 3B HR RBI SB BB SO AVG OBP SLG OPS PIV
387 0 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000 0

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

Year Team Lg G AB R H 2B 3B HR RBI SB BB SO AVG Lg AVG Lg OBP Lg SLG Lg OPS PIV
2017 CHA AL 30 0 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
2018 CHA AL 37 0 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
2019 CHA AL 58 0 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
2020 CHA AL 9 0 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
2021 CHA AL 62 0 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
2022 CHA AL 32 0 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
2023 CHA AL 61 0 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
2024 ATL NL 56 0 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
2025 ATL NL 42 0 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
Career · 9 seasons 387 0 0 0 0 0 0 0 0 0 0 — — — — — 0

Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.

Postseason Statistics

Playoff Career Batting

G AB R H 2B 3B HR RBI BB SO AVG
6 0 0 0 0 0 0 0 0 0 .000

Playoff Batting by Year

Year Round Team G AB R H 2B 3B HR RBI BB SO AVG
2024 NLWC2 ATL 1 0 0 0 0 0 0 0 0 0 .000
2021 ALDS1 CHA 3 0 0 0 0 0 0 0 0 0 .000
2020 ALWC4 CHA 2 0 0 0 0 0 0 0 0 0 .000

Playoff Career Pitching

W L G GS SV IP H ER BB SO ERA
0 1 6 0 0 7.3 6 3 3 9 3.68

Playoff Pitching by Year

Year Round Team W L G GS SV IP H ER BB SO ERA
2024 NLWC2 ATL 0 0 1 0 0 2.7 0 0 1 1 0.00
2021 ALDS1 CHA 0 1 3 0 0 3.3 5 3 1 7 8.10
2020 ALWC4 CHA 0 0 2 0 0 1.3 1 0 1 1 0.00

Game Log & Splits

View full game log (774 games) →

Per-game data from Retrosheet (regular season, through 2025).

Batting — Home / Away

SplitGABRHHRRBIAVG
Home20100000—
Away18600000—

Pitching — Home / Away

SplitGIPHERBBSOERA
Home201203.217271732363.14
Away186178.016690911934.55

Last 10 Games — Pitching

DateTmOppDecIPHRERBBSOHR
2025-08-23 ATLNYN — 1.1000000
2025-08-17 ATLCLE W 2.0100010
2025-08-13 ATLNYN W 2.1200130
2025-08-09 ATLMIA — 1.2211010
2025-08-06 ATLMIL — 2.1200010
2025-08-04 ATLMIL — 1.2000010
2025-07-29 ATLKCR — 0.2222110
2025-07-25 ATLTEX — 0.2100100
2025-07-23 ATLSFG — 0.2100000
2025-07-21 ATLSFG — 1.0100000

Fielding Statistics

Career Fielding Totals by Position

Position G GS PO A E DP
P 387 2 19 56 8 5

Season-by-Season Fielding

Year Team Pos G GS PO A E DP
2017 CHA P 30 0 1 6 1 1
2018 CHA P 37 0 1 2 0 1
2019 CHA P 58 0 4 12 1 1
2020 CHA P 9 0 0 0 1 0
2021 CHA P 62 0 2 9 1 2
2022 CHA P 32 0 0 2 0 0
2023 CHA P 61 0 7 7 1 0
2024 ATL P 56 0 1 10 1 0
2025 ATL P 42 2 3 8 2 0

Career Games by Position

Position Diamond

Circle size = games played at each position.

Position Games
Pitcher 387

Most Similar Players

Career comps based on counting + rate stats and primary position. Score is relative — closest peer anchors at ~98%.

  1. 98
    Chasen Shreve
    22-14, 3.96 ERA
  2. 95
    Michael Wuertz
    21-11, 3.71 ERA
  3. 89
    Antonio Osuna
    36-29, 3.68 ERA
  4. 79
    Phil Maton
    23-21, 4.10 ERA
  5. 79
    Hansel Robles
    28-26, 4.11 ERA
  6. 78
    Neal Cotts
    21-24, 3.96 ERA

Frequently Asked Questions about Aaron Bummer

What years did Aaron Bummer play?
Aaron Bummer played in Major League Baseball from 2017 to 2026.
Was Aaron Bummer a pitcher?
Yes. Aaron Bummer pitched in the major leagues, recording 22 wins and 442 strikeouts.