Aaron Bummer

Position: Relief Pitcher

Bats: Left • Throws: Left

6-3, 215lb (190cm, 97kg)

Born: September 21, 1993 in Valencia, CA us

Draft: Drafted by the New York Yankees in the 31st round of the 2011 MLB June Amateur Draft from Sunrise Mountain HS (Peoria, AZ) and the Chicago White Sox in the 19th round of the 2014 MLB June Amateur Draft from University of Nebraska-Lincoln (Lincoln, NE).

High School: Sunrise Mountain HS (Peoria, AZ)

School: University of Nebraska-Lincoln (Lincoln, NE)

Rookie Status: Exceeded rookie limits during 2018 season

2024 Contract Status: Signed thru 2024, 5 yrs/$16M (20-24) & 25-26 team option

Service Time (01/2024): 5.150 • Free Agent: 2025

Agents: O'Connell Sports Management

Full Name: Aaron James Bummer

Nicknames: Bum

Instagram: @aaron.bummer

View Player Info from the B-R Bullpen

Become a Stathead & surf this site ad-free.

SUMMARY

2024

Career

WAR

-0.1

3.3

ERA

6.75

3.91

297

6.2

278.2

314

WHIP

2.100

1.324

Player News

Hide Majors

Hide Minors

Hide College

2024 Spring Training

Register Pitching

Register Pitching
Year	Age	AgeDif	Tm	Lg	Lev	Aff	W	L	W-L%	ERA	RA9	G	GS	GF	CG	SHO	SV	IP	H	R	ER	HR	BB	IBB	SO	HBP	BK	WP	BF	WHIP	H9	HR9	BB9	SO9	SO/W
2012	18	-2.5	Nebraska	BTen	NCAA		1	0	1.000	3.26	3.72	20	0			0	0	19.1	16	8	7	0	10	0	22	4	0	1	88	1.345	7.4	0.0	4.7	10.2	2.20
2013	19	-1.4	Nebraska	BTen	NCAA		3	1	.750	2.50	3.04	16	8			0	1	50.1	40	17	14	0	22	0	32	8	0	4	213	1.232	7.2	0.0	3.9	5.7	1.45
2013	19	-1.0	Harwich	CCBL	Summ		5	2	.714	1.41	2.62	7	7	0	0	0	0	44.2	39	13	7	0	14	0	18	3	0	2	181	1.187	7.9	0.0	2.8	3.6	1.29
2014	20	-0.6	Nebraska	BTen	NCAA		7	5	.583	3.34	4.96	15	15			0	0	89.0	92	49	33	2	35	1	56	5	0	5	397	1.427	9.3	0.2	3.5	5.7	1.60
2014	20	-1.2	Great Falls	PION	Rk	CHW	0	0		2.45	2.86	16	0	3	0	0	1	22.0	18	7	6	1	6	0	28	2	0	3	89	1.091	7.4	0.4	2.5	11.5	4.67

2016	22		3 Teams	3 Lgs	A+-Rk	CHW	1	2	.333	4.86	5.40	15	0	3	0	0	0	16.2	16	10	9	0	7	0	18	0	0	4	75	1.380	8.6	0.0	3.8	9.7	2.57
2016	22	-0.9	Winston-Salem	CARL	A+	CHW	0	1	.000	1.80	3.60	4	0	2	0	0	0	5.0	4	2	1	0	1	0	1	0	0	2	22	1.000	7.2	0.0	1.8	1.8	1.00
2016	22	0.6	Great Falls	PION	Rk	CHW	1	1	.500	3.38	3.38	7	0	1	0	0	0	8.0	7	3	3	0	4	0	11	0	0	1	35	1.375	7.9	0.0	4.5	12.4	2.75
2016	22	1.1	White Sox	ARIZ	Rk	CHW	0	0		12.27	12.27	4	0	0	0	0	0	3.2	5	5	5	0	2	0	6	0	0	1	18	1.909	12.3	0.0	4.9	14.7	3.00
2017	23		3 Teams	3 Lgs	AA-A+-AAA	CHW	1	5	.167	3.31	3.49	28	1	13	0	0	5	49.0	44	19	18	4	20	3	54	0	0	4	204	1.306	8.1	0.7	3.7	9.9	2.70
2017	23	-3.4	Charlotte	IL	AAA	CHW	0	0		1.80	3.60	3	0	1	0	0	0	5.0	5	2	1	0	1	0	5	0	0	1	20	1.200	9.0	0.0	1.8	9.0	5.00
2017	23	-1.2	Birmingham	SOUL	AA	CHW	1	3	.250	3.00	3.00	17	1	10	0	0	3	33.0	29	11	11	2	16	3	34	0	0	2	137	1.364	7.9	0.5	4.4	9.3	2.13
2017	23	0.2	Winston-Salem	CARL	A+	CHW	0	2	.000	4.91	4.91	8	0	2	0	0	2	11.0	10	6	6	2	3	0	15	0	0	1	47	1.182	8.2	1.6	2.5	12.3	5.00
2017	23	-5.6	CHW	AL	Maj	CHW	1	3	.250	4.50	4.50	30	0	3	0	0	0	22.0	13	11	11	4	15	1	17	1	0	1	91	1.273	5.3	1.6	6.1	7.0	1.13
2018	24	-2.2	Charlotte	IL	AAA	CHW	2	3	.400	2.64	3.23	31	0	5	0	0	0	30.2	27	11	9	0	11	1	30	0	0	3	128	1.239	7.9	0.0	3.2	8.8	2.73
2018	24	-4.6	CHW	AL	Maj	CHW	0	1	.000	4.26	5.40	37	0	9	0	0	0	31.2	40	19	15	1	10	0	35	1	1	7	144	1.579	11.4	0.3	2.8	9.9	3.50
2019	25	-1.2	Charlotte	IL	AAA	CHW	0	0		2.35	2.35	5	0	1	0	0	0	7.2	7	2	2	0	2	0	6	1	0	1	32	1.174	8.2	0.0	2.3	7.0	3.00
2019	25	-3.4	CHW	AL	Maj	CHW	0	0		2.13	2.26	58	0	5	0	0	1	67.2	43	17	16	4	24	2	60	3	0	4	262	0.990	5.7	0.5	3.2	8.0	2.50
2020	26	-2.2	CHW	AL	Maj	CHW	1	0	1.000	0.96	0.96	9	0	1	0	0	0	9.1	5	1	1	0	5	0	14	0	0	0	38	1.071	4.8	0.0	4.8	13.5	2.80
2021	27	-1.5	CHW	AL	Maj	CHW	5	5	.500	3.51	4.47	62	0	6	0	0	2	56.1	42	28	22	3	29	3	75	4	0	5	242	1.260	6.7	0.5	4.6	12.0	2.59
2022	28	1.0	Charlotte	IL	AAA	CHW	0	0		9.00	9.00	2	0	0	0	0	0	2.0	3	2	2	0	1	0	2	0	0	0	10	2.000	13.5	0.0	4.5	9.0	2.00
2022	28	-0.4	CHW	AL	Maj	CHW	2	1	.667	2.36	3.71	32	0	3	0	0	2	26.2	30	11	7	2	10	0	30	2	0	0	117	1.500	10.1	0.7	3.4	10.1	3.00
2023	29	0.3	CHW	AL	Maj	CHW	5	5	.500	6.79	6.94	61	0	8	0	0	0	58.1	53	45	44	4	36	3	78	5	0	6	267	1.526	8.2	0.6	5.6	12.0	2.17
2024	30	0.5	ATL	NL	Maj	ATL	1	1	.500	6.75	6.75	8	0	2	0	0	0	6.2	11	5	5	1	3	0	5	0	0	0	33	2.100	14.9	1.4	4.1	6.8	1.67
Year	Age	AgeDif	Tm	Lg	Lev	Aff	W	L	W-L%	ERA	RA9	G	GS	GF	CG	SHO	SV	IP	H	R	ER	HR	BB	IBB	SO	HBP	BK	WP	BF	WHIP	H9	HR9	BB9	SO9	SO/W
(1 season)							5	2	.714	1.41	2.62	7	7	0	0	0	0	44.2	39	13	7	0	14	0	18	3	0	2	181	1.187	7.9	0.0	2.8	3.6	1.29
Majors (8 seasons)					Majors		15	16	.484	3.91	4.42	297	0	37	0	0	5	278.2	237	137	121	19	132	9	314	16	1	23	1194	1.324	7.7	0.6	4.3	10.1	2.38
Minors (6 seasons)					Minors		4	10	.286	3.23	3.59	97	1	25	0	0	6	128.0	115	51	46	5	47	4	138	3	0	15	538	1.266	8.1	0.4	3.3	9.7	2.94
College (3 seasons)					College		11	6	.647	3.06	4.20	51	23			0	1	158.2	148	74	54	2	67	1	110	17	0	10	698	1.355	8.4	0.1	3.8	6.2	1.64
All Levels (12 Seasons)							35	34	.507	3.36	4.06	452	31	62	0	0	12	610.0	539	275	228	26	260	14	580	39	1	50	2611	1.310	8.0	0.4	3.8	8.6	2.23

AAA (4 seasons)					Minors		2	3	.400	2.78	3.38	41	0	7	0	0	0	45.1	42	17	14	0	15	1	43	1	0	5	190	1.257	8.3	0.0	3.0	8.5	2.87
AA (1 season)					Minors		1	3	.250	3.00	3.00	17	1	10	0	0	3	33.0	29	11	11	2	16	3	34	0	0	2	137	1.364	7.9	0.5	4.4	9.3	2.13
A+ (2 seasons)					Minors		0	3	.000	3.94	4.50	12	0	4	0	0	2	16.0	14	8	7	2	4	0	16	0	0	3	69	1.125	7.9	1.1	2.3	9.0	4.00
Rk (2 seasons)					Minors		1	1	.500	3.74	4.01	27	0	4	0	0	1	33.2	30	15	14	1	12	0	45	2	0	5	142	1.248	8.0	0.3	3.2	12.0	3.75