Baseball · MLB · P

Aaron Bummer

Kansas City Royals · 21 pitching games · bats L · throws L

Compare opens a player picker · 2026 regular season · latest

ERA10.2619 ER

WHIP2.1024 H · 11 BB

Strikeouts1388 faced

Innings16.221 G · 0 GS

Record1–20 SV · 5 HLD

Pitches328209 strikes

Season by season

10 seasons available

MLB pitching season by season
Season	Team	Age	Pos	G	GS	IP	BF	H	ER	BB	K	Pit	Str	W	L	SV	HLD	ERA	WHIP
2026	Kansas City Royals	32	P	21	0	16.2	88	24	19	11	13	328	209	1	2	0	5	10.26	2.10
2025	Atlanta Braves	31	P	42	2	54.1	235	51	23	17	51	932	599	3	2	0	2	3.81	1.25
2024	Atlanta Braves	30	P	56	0	55.1	244	61	22	18	69	974	622	4	3	0	2	3.58	1.43
2023	Chicago White Sox	29	P	61	0	58.1	267	53	44	36	78	1,099	684	5	5	0	15	6.79	1.53
2022	Chicago White Sox	28	P	32	0	26.2	117	30	7	10	30	457	272	2	1	2	10	2.36	1.50
2021	Chicago White Sox	27	P	62	0	56.1	242	42	22	29	75	962	595	5	5	2	21	3.51	1.26
2020	Chicago White Sox	26	P	9	0	9.1	38	5	1	5	14	155	97	1	0	0	3	0.96	1.07
2019	Chicago White Sox	25	P	58	0	67.2	262	43	16	24	60	1,039	658	0	0	1	27	2.13	0.99
2018	Chicago White Sox	24	P	37	0	31.2	144	40	15	10	35	609	367	0	1	0	2	4.26	1.58
2017	Chicago White Sox	23	P	30	0	22.0	91	13	11	15	17	374	212	1	3	0	7	4.50	1.27
Career	10 SSN	—	—	408	2	398.1	1,728	362	180	175	442	6,929	4,315	22	22	5	94	—	—

Newest first, with the highlighted row the one the season picker is showing. The career row sums the counting columns and leaves every rate blank.

Kansas City Royals

Games21

Starts0

Innings16.2

Batters faced88

Pitches328

Strikes209

Hits allowed24

Earned runs19

Walks11

Strikeouts13

Wins1

Losses2

Saves0

Holds5

ERA10.26

WHIP2.10

K per 97.0

BB per 95.9

Official pitching totals and rates for the selected season. A dash means that field is unavailable, not zero.