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Michael Wacha

Kansas City Royals · SP Throws: R Bats: R Height: 6'6 Weight: 215 Born: Jul 01, 1991 ()

Percentile Ranks
vs LHH
vs RHH K%
20.2
28.3 xWOBA
0.316 · 70%
0.333 · 37%
xSLG
71.7
28.3

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		31	31	10-13	172.2	3.86	1.23	17.6%	0.0%	6.3%	.265	.433	.324	.168	7.4%	36.7%	35%	38%	25%	27%	53%	16%	47%	36%	14.8	15.8	11.7	12.3	14.9	3.9
2024		29	29	13-8	166.2	3.35	1.20	21.2%	0.0%	6.6%	.252	.406	.311	.154	8.2%	32.7%	33%	40%	24%	27%	51%	17%	49%	39%	0.0	0.0	0.0	0.0	0.0	0.0
2023		24	24	14-4	134.1	3.22	1.16	22.4%	0.0%	7.8%	.250	.421	.318	.171	7.3%	38.6%	36%	35%	25%	31%	50%	17%	50%	42%	0.0	0.0	0.0	0.0	0.0	0.0
2022		23	23	11-2	127.1	3.32	1.12	20.2%	0.0%	6.0%	.253	.446	.329	.192	9.6%	35.4%	35%	41%	26%	22%	50%	16%	50%	33%	0.0	0.0	0.0	0.0	0.0	0.0
2021	Rays	29	23	3-5	124.2	5.05	1.31	22.9%	0.0%	5.9%	.283	.499	.355	.216	10.5%	39.8%	43%	43%	25%	26%	52%	16%	48%	40%	0.0	0.0	0.0	0.0	0.0	0.0
2020	Mets	8	7	1-4	34.0	6.62	1.56	23.7%	0.0%	4.5%	.258	.456	.326	.198	8.2%	38.2%	44%	39%	26%	29%	50%	20%	50%	36%	0.0	0.0	0.0	0.0	0.0	0.0
2019	Cardinals	29	24	6-7	126.2	4.76	1.53	18.7%	0.0%	9.0%	.276	.491	.356	.214	7.8%	35.5%	36%	50%	24%	21%	47%	17%	53%	30%	0.0	0.0	0.0	0.0	0.0	0.0
2018	Cardinals	15	15	8-2	84.1	3.20	1.24	20.0%	0.0%	10.1%	.276	.445	.348	.169	7.7%	36.2%	37%	47%	29%	20%	49%	18%	51%	37%	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%	CH		FF		CU		SI		FC		SL		Rating	DK $	DK	FD $	FD
1	2025	Sep, 16	SEA	2.2	17	47	9	2	7	0	0	1	17.0													58.50	n/a	-13.40	n/a	-13
2	2025	Sep, 05	MIN	5.2	23	83	4	0	1	2	5	11	26.5													58.00	n/a	21.15	n/a	35
3	2025	Aug, 31	DET	4.2	20	71	5	0	4	1	4	5	29.6													60.00	n/a	6.90	n/a	14
4	2025	Aug, 23	@DET	6.0	24	108	8	1	3	1	4	6	22.2													45.60	n/a	10.10	n/a	25
5	2025	Aug, 18	TEX	5.2	23	93	9	0	2	0	3	7	22.6													54.70	8,200	13.35	8,800	26
6	2025	Aug, 12	WSH	5.2	23	79	5	0	2	2	3	9	22.8	27.8%	0.0	31.6%	4.8	10.1%	-10.3	6.3%	8.7	17.7%	-1.2	5.1%	-8.7	50.70	n/a	14.55	n/a	26
7	2025	Aug, 06	@BOS	6.0	22	74	5	0	2	0	3	4	27.0	16.2%	-4.4	23.0%	4.2	8.1%	5.4	16.2%	1.1	14.9%	1.8	21.6%	1.6	56.60	n/a	16.50	n/a	31
8	2025	Aug, 01	@TOR	8.0	28	100	3	1	1	0	5	8	24.0	27.0%	5.2	24.0%	3.0	5.0%	-1.9	9.0%	-5.5	21.0%	5.9	13.0%	-0.4	54.00	n/a	28.20	n/a	46
9	2025	Jul, 26	CLE	5.1	20	80	3	0	1	1	5	6	25.0	23.8%	1.0	37.5%	0.9	6.3%	-1.4	5.0%	10.9	23.8%	6.6	3.8%	2.1	60.40	8,000	17.60	7,700	28
10	2025	Jul, 19	@MIA	6.0	20	78	3	0	1	1	1	11	23.1	30.8%	2.7	24.4%	-1.6	11.5%	0.9	12.8%	9.8	9.0%	1.9	11.5%	4.6	54.60	8,000	11.10	8,000	22
11	2025	Jul, 11	NYM	5.0	20	83	2	0	1	3	5	10	26.5	28.9%	2.1	30.1%	1.5	8.4%	-2.6	6.0%	15.9	18.1%	-1.2	7.2%	-7.0	41.50	n/a	16.25	n/a	27
12	2025	Jul, 05	@ARI	4.0	21	98	4	0	4	4	4	16	30.6	30.6%	-1.5	25.5%	-5.6	8.2%	1.4	6.1%	-8.0	10.2%	1.8	18.4%	5.6	47.00	7,900	4.20	8,300	12
13	2025	Jun, 30	@SEA	5.0	24	94	8	2	5	2	1	9	24.5													62.60	7,200	-2.75	8,600	3
14	2025	Jun, 25	TB	6.0	27	93	9	0	3	1	9	19	33.3													66.20	n/a	19.50	n/a	40
15	2025	Jun, 19	@TEX	6.0	23	97	2	0	1	2	5	12	27.8													55.20	n/a	23.10	n/a	40
16	2025	Jun, 13	ATH	5.1	28	93	9	2	5	2	5	11	25.8	24.7%	9.7	24.7%	0.1	16.1%	0.4	14.0%	-7.7	10.8%	-25.9	8.6%	5.7	57.90	n/a	5.40	n/a	16
17	2025	Jun, 07	@CWS	6.0	25	95	6	2	3	1	5	11	26.3	33.7%	5.8	13.7%	-0.1	8.4%	-3.0	20.0%	-3.7	20.0%	-6.3	4.2%	3.0	61.80	n/a	13.30	n/a	28
18	2025	May, 31	DET	7.0	23	99	1	0	0	1	6	9	21.2													85.20	n/a	26.55	n/a	43
19	2025	May, 24	@MIN	5.0	23	62	7	2	4	1	1	5	16.1	24.2%	9.1	35.5%	-15.1	4.8%	0.5	6.5%	-2.6	14.5%	16.3	14.5%	-10.6	62.20	7,700	0.45	8,700	6
20	2025	May, 18	STL	5.0	23	83	8	1	1	0	6	8	25.3	20.5%	8.2	34.9%	1.7	6.0%	-1.1	12.0%	4.7	7.2%	-3.2	18.1%	-8.2	84.00	n/a	16.45	n/a	30

2024

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

2023

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

2022

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

2021

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

2020

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

2019

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

2018

Box Score														Pitch Usage/Velo												DFS
#	Date		Opp	IP	BF	PC	H	HR	ER	BB	SO	SwStr	CSW%	CH		FF		CU		SI		FC		SL		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%	40%	.275	.329	15.0	7.1	.417	.115	2	31%	.302	.419	30.0	15.0	.595	.160	2
Cutter	Fastball	88.1 MPH	2113	18%	17%	.301	.368	8.5	2.1	.489	.068	0	20%	.309	.421	3.8	9.6	.640	.364	4
Slider	Breaking	84.8 MPH	1954	29%	5%	.274	.425	23.1	15.4	.613	.300	1	26%	.253	.280	13.1	0.0	.403	.115	1
Changeup	Offspeed	79.8 MPH	1536	27%	38%	.220	.265	16.4	7.4	.324	.054	0	22%	.169	.222	31.0	5.6	.270	.045	0

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%	36%	.312	.384	15.3	8.2	.518	.205	3	24%	.270	.332	22.2	11.1	.396	.104	1
Cutter	Fastball	88.8 MPH	2082	15%	14%	.295	.326	19.5	9.8	.366	.135	1	15%	.352	.432	0.0	5.4	.619	.143	1
Slider	Breaking	84.1 MPH	2041	37%	4%	.083	.160	25.0	0.0	.098	.000	0	22%	.408	.489	10.3	3.4	.720	.286	1
Changeup	Offspeed	81.2 MPH	1548	34%	45%	.190	.224	26.7	4.1	.286	.118	3	39%	.154	.233	39.0	3.0	.336	.179	5

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
4-Seamer	Fastball	90.8 MPH	2010	17%	39%	.278	.386	15.1	18.6	.472	.145	1	20%	.205	.288	31.8	6.1	.421	.161	3
Cutter	Fastball	87.0 MPH	2037	17%	6%	.000	.585	0.0	0.0	.414	.430	1	17%	.378	.471	4.3	17.4	.624	.211	1
Sinker	Fastball	91.9 MPH	1890	11%	4%	.176	.294	33.3	16.7	.334	.300	1	22%	.326	.382	14.5	2.6	.531	.153	2
Curveball	Breaking	74.0 MPH	2150	27%	11%	.000	.633	0.0	0.0	.361	.421	1	11%	.154	.164	23.1	0.0	.231	.200	0
Slider	Breaking	MPH		0%	0%	.000	.390	0.0	0.0	.326	.310	0
Changeup	Offspeed	81.6 MPH	1522	36%	40%	.214	.242	32.8	3.1	.315	.095	2	29%	.151	.222	30.7	6.8	.299	.207	3

Splits	vs LHB								vs RHB
Year	PA	xBAVG	xWOBA	xSLG	ISO	K%	BB%	HR	PA	xBAVG	xWOBA	xSLG	ISO	K%	BB%	HR
2025	372	.264	.316	.409	.105	16.9%	6.2%	5	344	.266	.333	.460	.159	18.3%	6.4%	10
2024	351	.247	.299	.393	.157	22.2%	5.7%	9	333	.257	.323	.419	.123	20.1%	7.2%	8
2023	261	.251	.314	.400	.136	23.0%	8.4%	6	291	.249	.321	.439	.175	22.0%	6.9%	9
2022	214	.227	.299	.391	.157	23.4%	7.0%	8	301	.273	.350	.485	.190	17.9%	5.3%	10

	Home								Road
Season	PA	xAVG	xWOBA	K%	BB%	xSLG	ISO	HR	PA	xAVG	xWOBA	K%	BB%	xSLG	ISO	HR
2025	54	.263	.309	77.0%	25.0%	.394	.320	5	46	.240	.288	49.0%	20.0%	.370	.258	1
2024	324	.271	.328	21.0%	5.6%	.440	.137	7	360	.234	.295	21.4%	7.2%	.374	.144	10
2023	324	.248	.317	24.4%	7.4%	.417	.149	8	228	.253	.319	19.7%	7.9%	.426	.167	7
2022	218	.243	.313	21.6%	5.5%	.429	.197	8	297	.262	.341	19.2%	6.4%	.459	.161	10

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	15.20	14.69	14.08	4.20	16.20	18.12	17.13	6.20	11.20	16.21	16.33
Home	15.16	16.07	11.48	12.13	13.45	19.11	7.21	0.00	16.31	12.43	16.95