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Spencer Schwellenbach

Atlanta Braves · SP Throws: R Bats: R Height: 6'1 Weight: 200 Born: )

Percentile Ranks
vs LHH
vs RHH K%
41.4
93.8 xWOBA
0.352 · 36%
0.241 · 99%
xSLG
24.2
98.6

Year	Team	G	GS	W-L	IP	ERA	WHIP	K%	CSW%	BB%	xAVG	xSLG	xwOBA	xISO	BAR%	SS%	HH%	GB%	LD%	FB%	Z%	Z Sw%	OZ%	OZ Sw%	Apr	May	Jun	Jul	Aug	Sep
2025		17	17	7-4	110.2	3.09	0.97	24.9%	0.0%	4.1%	.258	.406	.301	.148	7.5%	34.3%	42%	47%	27%	19%	55%	20%	45%	49%	17.7	19.4	25.0	0.0	0.0	0.0
2024		21	21	8-7	123.2	3.35	1.05	25.4%	0.0%	4.6%	.239	.375	.288	.136	4.9%	35.2%	40%	43%	25%	25%	53%	18%	47%	49%	0.0	0.0	0.0	0.0	0.0	0.0

2025

Box Score														Pitch Usage/Velo												DFS
#	Date		Opp	IP	BF	PC	H	HR	ER	BB	SO	SwStr	CSW%	FF		CU		SL		FC		FS		SI		Rating	DK $	DK	FD $	FD
1	2025	Jun, 28	PHI	7.0	25	90	3	0	1	1	12	18	40.0													68.80	n/a	39.35	n/a	64
2	2025	Jun, 23	@NYM	7.0	25	89	4	1	2	1	4	5	24.7													65.80	n/a	20.75	n/a	37
3	2025	Jun, 17	NYM	7.0	26	97	6	2	4	2	8	21	38.1	41.2%	0.2	18.6%	-0.9	14.4%	-7.6	11.3%	5.4	13.4%	-4.1	1.0%	-1.1	69.80	n/a	18.95	n/a	33
4	2025	Jun, 11	@MIL	9.0	31	105	5	1	2	0	9	15	31.4	51.4%	2.7	7.6%	1.8	8.6%	-2.4	11.4%	9.4	15.2%	0.2	5.7%	-6.2	75.90	n/a	35.25	n/a	58
5	2025	Jun, 06	@SF	6.0	27	94	6	0	3	2	4	8	27.7	37.2%	0.6	10.6%	5.6	14.9%	-6.1	6.4%	-1.6	17.0%	2.3	13.8%	0.8	73.10	10,000	10.70	9,900	25
6	2025	May, 31	BOS	6.1	24	99	5	0	0	0	11	13	35.4													91.20	n/a	37.25	n/a	62
7	2025	May, 25	SD	7.0	28	101	7	2	2	0	11	19	35.6	38.6%	2.5	9.9%	2.6	15.8%	-15.7	19.8%	4.8	8.9%	-4.5	6.9%	-0.8	66.90	n/a	29.55	n/a	52
8	2025	May, 18	@BOS	7.0	27	81	6	1	4	1	3	5	29.6	35.8%	-1.4	3.7%	-23.5	18.5%	-1.4	14.8%	-0.9	16.0%	-1.9	11.1%	11.9	98.50	n/a	13.55	n/a	24
9	2025	May, 13	WSH	7.0	27	97	4	1	2	2	3	10	27.8	27.8%	1.1	9.3%	6.0	37.1%	-0.7	12.4%	2.9	12.4%	7.8	1.0%	-14.4	65.40	8,200	18.15	8,900	34
10	2025	May, 08	CIN	6.0	23	93	5	0	1	2	6	11	30.1	29.0%	2.4	26.9%	6.2	8.6%	-13.9	14.0%	6.1	18.3%	0.3	3.2%	-25.7	95.10	n/a	19.30	n/a	37
11	2025	May, 03	LAD	3.2	21	91	8	1	6	1	4	13	28.6	34.1%	5.9	7.7%	-11.2	22.0%	-9.6	20.9%	0.6	13.2%	-4.5	2.2%	0.2	57.30	n/a	-1.15	n/a	5
12	2025	Apr, 27	@ARI	6.0	26	88	7	1	3	1	6	15	30.7	20.5%	97.4	15.9%	81.8	22.7%	88.9	9.1%	95.3	21.6%	86.7	10.2%	96.1	63.60	n/a	14.70	n/a	31
13	2025	Apr, 21	STL	7.0	30	92	8	0	2	0	5	7	19.6	34.8%	98.1	10.9%	81.3	20.7%	88.0	10.9%	94.8	12.0%	85.8	9.8%	95.7	59.80	9,500	16.95	9,800	34
14	2025	Apr, 15	@TOR	4.2	23	86	6	2	6	2	3	11	25.6	38.4%	97.8	11.6%	81.2	15.1%	88.5	11.6%	95.3	7.0%	85.0	16.3%	96.8	52.90	10,500	-0.30	10,800	5
15	2025	Apr, 10	PHI	6.0	25	81	7	1	1	2	5	9	25.9	33.3%	97.4	7.4%	81.8	29.6%	88.2	7.4%	94.8	7.4%	85.1	14.8%	96.6	62.30	n/a	16.10	n/a	34
16	2025	Apr, 04	MIA	8.0	26	99	2	0	0	0	10	21	37.4	42.4%	97.7	11.1%	81.0	15.2%	87.9	5.1%	94.7	17.2%	86.2	9.1%	95.4	66.70	n/a	40.80	n/a	64
17	2025	Mar, 29	@SD	6.0	20	90	1	0	0	1	4	11	25.6													56.30	n/a	20.30	n/a	34

2024

Box Score														Pitch Usage/Velo												DFS
#	Date		Opp	IP	BF	PC	H	HR	ER	BB	SO	SwStr	CSW%	FF		CU		SL		FC		FS		SI		Rating	DK $	DK	FD $	FD

2025 Splits				vs LHB									vs RHB
Pitch	Type	MPH	SPIN	Whiff%	Usage	xBAVG	xWOBA	K%	BB%	xSLG	ISO	HR	Usage	xBAVG	xWOBA	K%	BB%	xSLG	ISO	HR
4-Seamer	Fastball	MPH		0%	47%	.324	.378	15.7	3.4	.538	.174	4	41%	.220	.259	36.4	3.6	.353	.038	0
Cutter	Fastball	94.1 MPH	2302	18%	16%	.244	.342	3.7	14.8	.422	.174	1	13%	.219	.213	0.0	0.0	.279	.100	0
Slider	Breaking	87.0 MPH	2350	34%	13%	.215	.345	21.2	9.1	.497	.333	3	37%	.240	.235	32.8	0.0	.300	.141	0
Split-finger	Offspeed	84.7 MPH	1368	42%	24%	.233	.249	33.9	5.4	.291	.019	0	9%	.105	.174	76.5	0.0	.228	.188	1

2024 Splits				vs LHB									vs RHB
Pitch	Type	MPH	SPIN	Whiff%	Usage	xBAVG	xWOBA	K%	BB%	xSLG	ISO	HR	Usage	xBAVG	xWOBA	K%	BB%	xSLG	ISO	HR
4-Seamer	Fastball	MPH		0%	37%	.326	.377	14.5	5.8	.506	.234	2	36%	.218	.276	38.1	3.2	.395	.180	3
Cutter	Fastball	92.9 MPH	2368	20%	19%	.311	.371	0.0	6.5	.486	.238	1	24%	.225	.302	14.3	5.7	.387	.219	2
Slider	Breaking	87.3 MPH	2473	28%	12%	.193	.287	43.8	9.4	.410	.321	3	37%	.236	.234	28.0	1.1	.284	.043	0
Split-finger	Offspeed	84.5 MPH	1349	46%	31%	.186	.231	40.3	4.8	.295	.086	1	3%	.069	.147	54.5	0.0	.145	.100	0

2023 Splits				vs LHB									vs RHB
Pitch	Type	MPH	SPIN	Whiff%	Usage	xBAVG	xWOBA	K%	BB%	xSLG	ISO	HR	Usage	xBAVG	xWOBA	K%	BB%	xSLG	ISO	HR

Splits	vs LHB								vs RHB
Year	PA	xBAVG	xWOBA	xSLG	ISO	K%	BB%	HR	PA	xBAVG	xWOBA	xSLG	ISO	K%	BB%	HR
2025	235	.291	.352	.489	.188	19.6%	5.5%	11	198	.220	.241	.311	.104	31.3%	2.0%	2
2024	253	.259	.315	.415	.185	21.7%	5.9%	7	246	.219	.261	.336	.145	29.3%	2.8%	7

	Home								Road
Season	PA	xAVG	xWOBA	K%	BB%	xSLG	ISO	HR	PA	xAVG	xWOBA	K%	BB%	xSLG	ISO	HR
2025	60	.222	.262	75.0%	9.0%	.350	.292	0	40	.210	.271	33.0%	8.0%	.389	.221	2
2024	269	.243	.302	26.0%	3.0%	.420	.187	12	230	.234	.272	24.8%	6.1%	.321	.137	2

Split	Games	Wind 0-9 mph+	Wind 10+ mph	Humid 0-25	Humid 25-50	Humid 50-75	Humid 75-100	Temp 0-40	Temp 40-60	Temp 61-79	Temp 80+
Road	16.99	21.99	11.30	0.00	18.04	16.54	21.70	0.00	10.00	19.54	16.84
Home	21.94	22.80	5.25	0.00	21.97	11.65	26.38	0.00	7.48	24.49	22.44