Aaron Bummer

#39 - Relief Pitcher

Chicago White Sox

Bats / Throws	Left / Left
Date of Birth	9/21/1993 (29)
Height, Weight	6'3", 215 lb
Hometown	Valencia, CA

2023 Season Stats

MLB Rank MLB Average

	Sv	IP	ERA	WHIP	K%	BB%	CSW%
	0	18.2	7.71	1.66	21.8%	11.5%	30.9%

	116^th 1 Sv	187^th 18 IP	311^th 4.46 ERA	282^nd 1.39 WHIP	207^th 23.5% K%	230^th 10.2% BB%	119^th 29.4% CSW%

	FB MPH	SwStr%	HC%	GB%	PLV	xERA
	94.4	11.8%	32.6%	60.7%	5.15	3.69

	92^nd 93.5 FB MPH	182^nd 12.3% SwStr%	300^th 25.1% HC%	33^rd 45.8% GB%	112^th 5.05 PLV	135^th 4.43 xERA

Articles

6/7/2023Fantasy Baseball Relief Pitcher Rankings - 6/7/23 Depth ChartJohn Wallace

6/6/2023Fantasy Baseball Relief Pitcher Rankings - 6/6/23 Depth ChartBenjamin Haller

6/3/2023Fantasy Baseball Relief Pitcher Rankings - 6/2/23 Depth ChartEthan McCollister

5/31/2023Fantasy Baseball Relief Pitcher Rankings - 5/31/23 Depth ChartJohn Wallace

5/30/2023Fantasy Baseball Relief Pitcher Rankings - 5/30/23 Depth ChartBenjamin Haller

See More Articles

Stats Glossary

Overview

Show 2023 MLB Percentile | Show 2023 MLB Average

Year	Team	G	GS	IP	W	L	ERA	xERA	FIP	xFIP	WHIP	H/9	K%	BB%	BABIP	HC%	GB%	HR/9	HR/FB%	LOB%	SwStr%	CSW%	PLV
2018	CWS	37	0	31.2	0	1	4.26	-	2.39	-	1.58	11.4	24.3%	6.9%	.402	-	-	0.28	-	64.5%	11.0%	27.8%	-
2019	CWS	58	0	67.2	0	0	2.13	-	3.41	-	0.99	5.7	22.8%	9.5%	.229	-	-	0.53	-	82.3%	11.5%	27.5%	-
2020	CWS	9	0	9.1	1	0	0.96	1.75	1.76	2.66	1.07	4.8	36.8%	13.2%	.263	23.7%	73.7%	0.00	0.0%	90.0%	13.5%	37.4%	4.85
2021	CWS	62	0	56.1	5	5	3.51	2.61	2.96	2.78	1.26	6.7	31.0%	12.0%	.298	23.1%	78.5%	0.48	20.0%	66.4%	13.6%	33.1%	5.10
2022	CWS	32	0	26.2	2	1	2.36	3.60	3.19	2.77	1.50	10.1	25.6%	8.5%	.384	28.4%	67.6%	0.67	22.2%	79.1%	10.7%	31.9%	4.97
2023	CWS	24	0	18.2	1	1	7.71	3.61	3.02	4.18	1.66	10.1	21.8%	11.5%	.368	32.6%	60.7%	0.00	0.0%	50.0%	11.8%	30.9%	5.15
RP MLB Percentile		71	0	45	39	26	10	61	76	50	18	22	40	33	12	13	90	85	85	5	46	64	65
RP MLB AVG		16	0	18.0	1	1	4.46	4.43	4.36	4.26	1.39	8.4	23.5%	10.2%	.294	25.1%	45.8%	-	13.7%	72.2%	12.3%	29.4%	5.05
6 Years		222	0	210.1	9	8	3.29	-	-	-	1.28	7.7	26.2%	10.0%	.313	20.4%	71.7%	0.43	25.0%	70.7%	12.0%	30.4%	5.06

Repertoire

Sinker | 62%
Slider | 26%
Cutter | 12%
Changeup | 1%
Four-Seamer | 0%
All Pitches

2018 2019 2020 2021 2022 2023 All

Show 2023 MLB Percentile | Show 2023 MLB Average

Year	MPH	Usage%	O-Sw%	Zone%	SwStr%	CS%	CSW%	Str%	PLUS%	GB%	FB%	AVG	wOBA	BABIP	HR/FB%	xAVG	xwOBA	HC%	Spin
2018	93.0	26.1%	-	-	9.4%	20.8%	30.2%	66.7%	58.5%	-	-	.310	.300	.382	-	-	-	-	-
2019	95.6	15.2%	-	-	9.5%	17.7%	27.2%	63.9%	60.1%	-	-	.162	.193	.156	-	-	-	-	-
2020	95.7	83.9%	20.0%	42.3%	7.7%	28.5%	36.2%	60.8%	57.7%	81.3%	12.5%	.182	.260	.250	0.0%	.128	.223	29.6%	1,957
2021	95.4	61.5%	18.6%	51.9%	6.9%	23.5%	30.4%	63.0%	57.8%	83.3%	8.8%	.274	.332	.287	22.2%	.267	.332	36.3%	1,996
2022	94.5	64.1%	19.2%	50.2%	8.2%	22.9%	31.1%	60.8%	53.6%	75.0%	7.7%	.339	.398	.380	50.0%	.300	.360	40.8%	2,059
2023	94.4	61.8%	25.8%	57.7%	9.5%	22.3%	31.8%	69.1%	63.6%	73.0%	16.2%	.286	.340	.316	0.0%	.257	.301	45.8%	1,932
RP MLB Percentile	57	92	46	77	73	61	67	64	71	80	42	47	50	49	55	56	64	19	7
RP MLB AVG	93.5	33.4%	27.3%	50.3%	7.5%	20.7%	28.2%	66.1%	59.4%	57.6%	21.6%	.292	.364	.317	15.0%	.284	.356	32.3%	2,138

Year	xAVG	xwOBA	xBABIP	xwoBACON	HC%	Brl%	ICR%	IPA%	EV	FB EV	LA	xMov	yMov	xRP	yRP	Ext	Spin
2018	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
2019	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
2020	.128	.223	.175	.158	29.6%	0.0%	18.8%	11.1%	94.3	90.7	-13.7	8.3	1.7	1.9	5.4	6.5	1,957
2021	.267	.332	.279	.290	36.3%	2.9%	28.2%	21.3%	89.9	91.8	-14.8	9.5	0.7	2.1	5.3	6.1	1,996
2022	.300	.360	.342	.372	40.8%	7.7%	26.9%	19.7%	91.9	95.6	-9.5	8.8	1.1	2.1	5.1	6.3	2,059
2023	.257	.301	.283	.278	45.8%	0.0%	34.2%	26.5%	93.6	91.3	-4.9	9.5	1.2	2.1	5.1	6.5	1,932
RP MLB Percentile	56	64	57	72	19	54	61	59	21	48	76	41	10	86	17	54	7
RP MLB AVG	.284	.356	.306	.355	32.3%	6.2%	40.6%	30.5%	89.0	87.2	3.3	9.5	4.7	-0.8	5.4	6.4	2,138

Year	P	TBF	1B	2B	3B	HR	K	BB	HBP	WP	Strikes	Balls	AVG	SLG	wOBA
2018	159	45	13	0	0	0	8	3	0	1	106	53	.310	.310	.300
2019	158	38	4	1	0	1	4	1	0	1	101	57	.162	.270	.193
2020	130	27	4	0	0	0	6	5	0	0	79	51	.182	.182	.260
2021	592	136	28	1	0	2	11	21	1	0	373	219	.274	.336	.332
2022	293	71	16	3	0	2	10	9	0	0	178	115	.339	.484	.398
2023	220	49	7	5	0	0	5	6	0	0	152	68	.286	.405	.340
RP MLB Percentile	91	87	18	0	7	34	73	8	33	12	92	8	47	42	50
RP MLB AVG	88	24	4	1	0	0	3	2	0	0	58	30	.292	.438	.364

Year	GB%	LD%	FB%	IFFB%	HR/FB%	Pull%	Cent%	Oppo%	Foul%	Weak%	Top%	Under%	Fl&B%	Solid%	SS%
2018	-	-	-	-	-	-	-	-	15.1%	-	-	-	-	-	-
2019	-	-	-	-	-	-	-	-	15.8%	-	-	-	-	-	-
2020	81.3%	6.3%	12.5%	6.3%	0.0%	31.3%	43.8%	25.0%	12.3%	0.0%	75.0%	6.3%	12.5%	6.3%	18.8%
2021	83.3%	7.8%	8.8%	1.0%	22.2%	26.2%	41.7%	32.0%	15.2%	6.9%	57.8%	6.9%	24.5%	1.0%	10.8%
2022	75.0%	17.3%	7.7%	0.0%	50.0%	25.0%	30.8%	44.2%	11.9%	5.8%	61.5%	5.8%	17.3%	1.9%	26.9%
2023	73.0%	10.8%	16.2%	2.7%	0.0%	15.8%	36.8%	47.4%	20.0%	5.4%	48.6%	10.8%	24.3%	10.8%	21.6%
RP MLB Percentile	80	75	42	59	55	16	56	84	68	63	60	44	50	14	74
RP MLB AVG	57.6%	20.8%	21.6%	4.6%	15.0%	35.3%	34.0%	30.7%	17.8%	5.9%	43.2%	15.2%	24.2%	5.2%	32.1%

Year	HC%	Brl%	ICR%	IPA%	AVG	wOBA	BABIP	BACON	xAVG	xwOBA	xBABIP	xwoBACON	EV	FB EV	LA
2018	-	-	-	-	.310	.300	.382	.382	-	-	-	-	-	-	-
2019	-	-	-	-	.162	.193	.156	.182	-	-	-	-	-	-	-
2020	29.6%	0.0%	18.8%	11.1%	.182	.260	.250	.250	.128	.223	.175	.158	94.3	90.7	-13.7
2021	36.3%	2.9%	28.2%	21.3%	.274	.332	.287	.301	.267	.332	.279	.290	89.9	91.8	-14.8
2022	40.8%	7.7%	26.9%	19.7%	.339	.398	.380	.404	.300	.360	.342	.372	91.9	95.6	-9.5
2023	45.8%	0.0%	34.2%	26.5%	.286	.340	.316	.316	.257	.301	.283	.278	93.6	91.3	-4.9
RP MLB Percentile	19	54	61	59	47	50	49	55	56	64	57	72	21	48	76
RP MLB AVG	32.3%	6.2%	40.6%	30.5%	.292	.364	.317	.335	.284	.356	.306	.355	89.0	87.2	3.3

Year	O-Sw%	Zone%	SwStr%	CS%	CSW%	Str%	PLUS%	Whiff%	Swing%	Con%	O-Con%	Z-Con%	ECS%	2-Str O-Sw%	F-Str%	TF-Str%
2018	-	-	9.4%	20.8%	30.2%	66.7%	58.5%	20.5%	45.9%	79.5%	-	-	25.8%	-	61.1%	55.6%
2019	-	-	9.5%	17.7%	27.2%	63.9%	60.1%	20.5%	46.2%	79.5%	-	-	23.7%	-	52.1%	45.8%
2020	20.0%	42.3%	7.7%	28.5%	36.2%	60.8%	57.7%	23.8%	32.3%	76.2%	60.0%	85.2%	33.8%	23.1%	58.3%	52.8%
2021	18.6%	51.9%	6.9%	23.5%	30.4%	63.0%	57.8%	17.5%	39.5%	82.5%	56.6%	90.1%	27.9%	17.6%	61.8%	49.7%
2022	19.2%	50.2%	8.2%	22.9%	31.1%	60.8%	53.6%	21.6%	37.9%	78.4%	64.3%	83.1%	22.5%	20.5%	55.2%	44.8%
2023	25.8%	57.7%	9.5%	22.3%	31.8%	69.1%	63.6%	20.4%	46.8%	79.6%	66.7%	83.5%	27.4%	25.7%	62.3%	60.7%
RP MLB Percentile	46	77	73	61	67	64	71	71	58	72	68	68	66	48	45	74
RP MLB AVG	27.3%	50.3%	7.5%	20.7%	28.2%	66.1%	59.4%	16.3%	45.3%	83.7%	73.9%	88.0%	24.1%	26.6%	62.4%	50.4%

Year	aLoc%	x-mLoc%	gLoc%	hiLoc%	y-mLoc%	loLoc%	heLoc%	iLoc%	oLoc%	Early%	Behind%	2-Str%	Zone%	Early BIP%	PAR%
2018	-	-	-	-	-	-	-	-	-	56.0%	20.8%	23.3%	-	16.9%	21.6%
2019	-	-	-	-	-	-	-	-	-	58.9%	17.7%	23.4%	-	11.8%	10.8%
2020	16.9%	23.8%	59.2%	6.2%	23.8%	70.0%	7.7%	42.3%	33.8%	61.5%	18.5%	20.0%	42.3%	8.8%	23.1%
2021	29.4%	27.5%	43.1%	16.4%	31.3%	52.4%	9.0%	37.3%	35.1%	68.4%	16.2%	15.4%	51.9%	13.6%	12.1%
2022	33.4%	24.2%	42.3%	21.5%	29.4%	49.1%	6.8%	37.2%	38.6%	65.2%	21.5%	13.3%	50.2%	14.1%	25.6%
2023	39.1%	26.8%	34.1%	21.8%	32.7%	45.5%	10.0%	32.7%	40.5%	66.4%	17.7%	15.9%	57.7%	13.7%	14.3%
RP MLB Percentile	24	61	75	32	64	64	75	28	69	57	40	39	77	35	37
RP MLB AVG	49.9%	24.7%	25.4%	29.9%	30.2%	39.9%	7.6%	41.3%	34.0%	64.4%	16.8%	18.8%	50.3%	17.1%	18.5%

Year	P	PLV	Total PLV	QP%	AP%	BP%	Q-BP%	HP	PLA	Hit Luck
2018	159	-	-	-	-	-	-	-	-	-
2019	158	-	-	-	-	-	-	-	-	-
2020	130	4.75	618	33.1%	26.9%	40.0%	-6.9%	-3.4	5.40	-4
2021	592	4.91	2,860	42.7%	21.4%	35.8%	6.9%	-6.1	4.72	-9
2022	293	4.88	1,225	40.2%	20.3%	39.4%	0.8%	6.1	3.86	+7
2023	220	5.11	1,124	44.5%	20.5%	35.0%	9.5%	-0.2	3.90	-4
RP MLB Percentile	91	68	91	44	62	52	52	63	-	95
RP MLB AVG	88	4.90	438	44.7%	18.4%	36.8%	7.9%	0.5	-	+1

Year	MPH	Usage%	O-Sw%	Zone%	SwStr%	CS%	CSW%	Str%	PLUS%	GB%	FB%	AVG	wOBA	BABIP	HR/FB%	xAVG	xwOBA	HC%	Spin
2018	83.1	10.7%	-	-	18.5%	13.8%	32.3%	52.3%	49.2%	-	-	.154	.175	.250	-	-	-	-	-
2019	86.0	0.2%	-	-	0.0%	50.0%	50.0%	50.0%	50.0%	-	-	-	-	-	-	-	-	-	-
2020	83.8	4.5%	83.3%	14.3%	57.1%	0.0%	57.1%	71.4%	71.4%	-	-	.000	.000	-	-	-	-	-	-
2021	83.0	29.3%	41.5%	30.9%	25.2%	12.8%	37.9%	61.0%	58.2%	65.2%	17.4%	.094	.130	.348	0.0%	.081	.120	5.4%	2,462
2022	82.0	27.6%	30.8%	38.1%	15.1%	19.8%	34.9%	56.3%	52.4%	50.0%	25.0%	.143	.168	.313	0.0%	.136	.168	5.1%	2,479
2023	82.3	25.6%	44.3%	33.0%	17.6%	14.3%	31.9%	62.6%