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JoJo Romero

St. Louis Cardinals · RP Throws: L Bats: L Height: 5'11 Weight: 215 Born: Sep 09, 1996 ()

Percentile Ranks
vs LHH
vs RHH K%
85.9
31.7 xWOBA
0.245 · 99%
0.324 · 44%
xSLG
100.0
53.1

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		65	0	4-6	61.0	2.07	1.25	21.6%	0.0%	11.4%	.223	.344	.292	.121	7.1%	28.6%	35%	57%	17%	19%	50%	18%	50%	49%	1.5	2.4	3.5	5.3	2.2	3.4
2024		65	0	7-3	59.0	3.36	1.15	21.0%	0.0%	6.6%	.271	.459	.346	.188	10.5%	34.5%	40%	50%	24%	24%	49%	13%	51%	52%	0.0	0.0	0.0	0.0	0.0	0.0
2023		27	0	4-2	36.2	3.68	1.08	28.6%	0.0%	6.8%	.227	.296	.261	.069	2.1%	31.9%	38%	59%	26%	13%	53%	27%	47%	58%	0.0	0.0	0.0	0.0	0.0	0.0
2022		17	0	0-0	16.1	4.96	1.43	25.4%	0.0%	14.9%	.231	.403	.337	.172	10.0%	25.0%	40%	63%	18%	20%	41%	22%	59%	56%	0.0	0.0	0.0	0.0	0.0	0.0
2021	Phillies	11	0	0-0	9.0	7.00	1.67	18.6%	0.0%	7.0%	.289	.494	.369	.205	9.7%	38.7%	32%	55%	23%	23%	57%	18%	43%	28%	0.0	0.0	0.0	0.0	0.0	0.0
2020	Phillies	12	0	0-0	10.2	7.59	1.47	21.3%	0.0%	4.3%	.296	.411	.344	.115	3.0%	33.3%	36%	52%	30%	6%	51%	21%	49%	46%	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%	SI		CH		FF		SL		FC		SV		Rating	DK $	DK	FD $	FD
1	2025	Sep, 23	@SF	0.2	3	16	1	0	0	0	1	2	31.3														n/a	2.90	n/a	5
2	2025	Sep, 22	@SF	1.0	3	19	0	0	0	0	1	2	36.8														n/a	4.25	n/a	6
3	2025	Sep, 20	MIL	1.2	6	17	1	0	0	0	0	1	29.4														n/a	3.15	n/a	5
4	2025	Sep, 16	CIN	1.0	3	11	0	0	0	0	2	2	63.6														n/a	6.25	n/a	9
5	2025	Sep, 14	@MIL	1.0	4	20	1	0	0	0	0	1	40.0														n/a	1.65	n/a	3
6	2025	Sep, 13	@MIL	1.0	7	25	1	0	2	3	0	0	20.0														n/a	-4.15	n/a	-3
7	2025	Sep, 10	@SEA	1.1	5	22	0	0	0	1	2	5	36.4														n/a	6.40	n/a	10
8	2025	Sep, 07	SF	1.0	5	24	1	0	0	1	2	2	29.2														n/a	5.05	n/a	9
9	2025	Sep, 03	ATH	1.2	6	20	2	0	0	0	1	2	45.0														n/a	4.55	n/a	8
10	2025	Sep, 02	ATH	1.0	3	12	0	0	0	0	1	2	33.3														n/a	4.25	n/a	6
11	2025	Aug, 30	@CIN	1.1	3	9	0	0	0	0	0	0	22.2														n/a	3.00	n/a	4
12	2025	Aug, 29	@CIN	0.1	3	12	0	0	0	2	0	0	16.7														n/a	-0.45	n/a	1
13	2025	Aug, 28	PIT	1.0	3	12	1	0	0	0	0	1	33.3														n/a	1.65	n/a	3
14	2025	Aug, 25	PIT	0.1	3	13	1	0	0	1	0	0	23.1														n/a	-0.45	n/a	1
15	2025	Aug, 18	@MIA	1.0	3	10	0	0	0	0	0	0	10.0														n/a	2.25	n/a	3
16	2025	Aug, 17	NYY	0.2	6	20	0	0	0	2	0	2	25.0														n/a	0.30	n/a	2
17	2025	Aug, 13	COL	1.0	6	34	2	1	2	1	3	4	29.4	32.4%	90.6	32.4%	84.6			2.9%	80.4			32.4%	80.1		n/a	2.45	n/a	6
18	2025	Aug, 10	CHC	1.1	7	26	3	0	0	1	0	1	23.1	26.9%	92.7	42.3%	86.7	23.1%	82.0			3.8%	81.7	3.8%	93.8		n/a	0.60	n/a	4
19	2025	Aug, 08	CHC	1.0	4	14	0	0	0	0	1	1	28.6	35.7%	92.3	21.4%	86.0			42.9%	81.6						n/a	4.25	n/a	6
20	2025	Aug, 06	@LAD	1.0	4	15	1	0	0	0	1	1	20.0	40.0%	91.4	13.3%	86.4							46.7%	81.5		n/a	7.65	n/a	12

2024

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

2023

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

2022

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

2021

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

2020

Box Score														Pitch Usage/Velo												DFS
#	Date		Opp	IP	BF	PC	H	HR	ER	BB	SO	SwStr	CSW%	SI		CH		FF		SL		FC		SV		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%	5%	.000	.000	0.0	0.0	.000	.000	0	11%	.213	.301	25.0	0.0	.511	.125	0
Cutter	Fastball	MPH		0%	0%	.000	.000	0.0	0.0	.000	.000	0
Slider	Breaking	83.0 MPH	2816	34%	95%	.199	.234	31.4	5.7	.248	.048	0	32%	.147	.255	30.0	13.3	.241	.040	0
Slurve	Breaking	MPH		50%	3%	.061	.182	60.0	20.0	.065	.000	0
Changeup	Offspeed	87.3 MPH	1387	31%	54%	.181	.254	22.0	10.0	.302	.091	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%	15%	.324	.439	33.3	33.3	.392	.000	0	17%	.479	.528	5.6	11.1	.777	.067	0
Cutter	Fastball	MPH		0%	0%	.000	.000	0.0	0.0	.000	.000	0
Slider	Breaking	84.0 MPH	2736	44%	84%	.124	.134	50.0	2.4	.146	.024	0	39%	.163	.275	41.3	4.3	.334	.250	3
Changeup	Offspeed	85.9 MPH	1575	30%	1%	.000	.689	0.0	100.0	.000	.000	0	44%	.357	.462	9.8	2.4	.718	.308	3

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	94.8 MPH	2141	22%	23%	.212	.280	33.3	16.7	.245	.000	0	13%	.392	.435	9.1	9.1	.463	.111	0
Cutter	Fastball	87.6 MPH	2744	100%	0%	.000	.000	100.0	0.0	.000	.000	0
Sinker	Fastball	94.7 MPH	2109	19%	29%	.217	.228	15.8	5.3	.246	.000	0	35%	.295	.357	10.8	10.8	.464	.219	1
Slider	Breaking	84.3 MPH	2631	53%	46%	.067	.059	46.7	0.0	.067	.125	0	13%	.133	.163	73.3	0.0	.267	.500	0
Changeup	Offspeed	85.9 MPH	1574	45%	2%	.000	.696	0.0	1.0	.000	.000	0	39%	.235	.251	31.0	4.8	.288	.026	0

Splits	vs LHB								vs RHB
Year	PA	xBAVG	xWOBA	xSLG	ISO	K%	BB%	HR	PA	xBAVG	xWOBA	xSLG	ISO	K%	BB%	HR
2025	104	.200	.245	.246	.033	26.0%	8.7%	0	146	.239	.324	.414	.094	19.2%	10.3%	2
2024	78	.195	.242	.276	.069	32.1%	6.4%	1	164	.309	.393	.549	.203	15.9%	6.1%	7
2023	41	.167	.194	.188	.000	29.3%	7.3%	0	106	.251	.287	.339	.115	28.3%	6.6%	1
2022	22	.116	.277	.247	.176	45.5%	22.7%	1	45	.282	.368	.472	.205	15.6%	11.1%	2

	Home								Road
Season	PA	xAVG	xWOBA	K%	BB%	xSLG	ISO	HR	PA	xAVG	xWOBA	K%	BB%	xSLG	ISO	HR
2025	127	.227	.288	23.6%	7.9%	.348	.063	1	123	.219	.295	20.3%	11.4%	.340	.075	1
2024	78	.195	.243	32.1%	6.4%	.277	.069	1	105	.280	.363	26.7%	3.8%	.533	.227	5
2023	68	.181	.213	36.8%	5.9%	.249	.079	1	79	.269	.303	21.5%	7.6%	.339	.085	0
2022	25	.353	.451	20.0%	12.0%	.612	.333	2	42	.160	.273	28.6%	16.7%	.280	.114	1

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	2.28	2.57	2.42	4.95	2.72	3.62	0.72	-4.45	3.48	2.30	2.32
Home	2.76	2.41	3.50	0.00	2.58	3.22	2.82	0.00	2.29	3.45	2.45