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John Curtiss

Arizona Diamondbacks · RP Throws: R Bats: R Height: 6'5 Weight: 220 Born: Apr 05, 1993 ()

Percentile Ranks
vs LHH
vs RHH K%
60.6
1.4 xWOBA
0.289 · 94%
0.369 · 6%
xSLG
71.7
2.1

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		30	0	3-2	36.2	3.93	0.94	17.0%	0.0%	3.5%	.274	.479	.333	.205	8.9%	44.6%	43%	30%	34%	31%	54%	16%	46%	36%	0.0	0.0	5.0	0.6	4.0	2.9
2024		3	0	0-0	2.1	15.43	2.86	8.3%	0.0%	0.0%	.371	.562	.401	.191	18.2%	63.6%	55%	9%	36%	46%	55%	18%	45%	38%	0.0	0.0	0.0	0.0	0.0	0.0
2023		15	0	0-0	19.2	4.58	1.30	19.8%	0.0%	9.9%	.198	.365	.279	.167	5.3%	29.8%	44%	40%	16%	37%	49%	14%	51%	53%	0.0	0.0	0.0	0.0	0.0	0.0
2021	Brewers	41	2	3-1	44.1	3.45	1.22	23.5%	0.0%	6.4%	.249	.397	.303	.148	6.2%	33.1%	44%	40%	26%	26%	53%	19%	47%	48%	0.0	0.0	0.0	0.0	0.0	0.0
2020	Rays	17	3	3-0	25.0	1.80	0.96	25.3%	0.0%	3.0%	.236	.405	.293	.169	7.2%	33.3%	42%	42%	26%	28%	55%	17%	45%	47%	0.0	0.0	0.0	0.0	0.0	0.0
2019	null	1	0	0-0	2.1	3.86	2.38	8.3%	0.0%	25.0%	.206	.529	.395	.323	12.5%	25.0%	38%	50%	13%	25%	44%	8%	56%	57%	0.0	0.0	0.0	0.0	0.0	0.0
2018	Twins	8	0	0-1	6.1	5.68	1.97	23.3%	0.0%	13.3%	.284	.467	.356	.182	5.3%	68.4%	37%	11%	37%	42%	45%	19%	55%	43%	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%	FC		SL		FF		CH		Rating	DK $	DK	FD $	FD
1	2025	Sep, 28	@SD	1.0	3	11	0	0	0	0	2	4	45.5										n/a	6.25	n/a	9
2	2025	Sep, 23	LAD	0.2	3	14	1	1	1	0	1	2	28.6										n/a	0.90	n/a	2
3	2025	Sep, 20	PHI	1.0	4	17	1	0	0	0	0	0	23.5										n/a	1.65	n/a	3
4	2025	Sep, 17	SF	0.0	4	12	3	0	4	1	0	0	8.3										n/a	-10.40	n/a	-12
5	2025	Sep, 16	SF	1.2	5	13	0	0	0	0	0	0	15.4										n/a	3.75	n/a	5
6	2025	Sep, 13	@MIN	2.0	7	33	1	0	0	0	2	4	18.2										n/a	11.90	n/a	18
7	2025	Sep, 09	@SF	1.1	4	22	0	0	0	0	2	4	36.4										n/a	7.00	n/a	10
8	2025	Sep, 06	BOS	1.0	3	11	0	0	0	0	1	2	27.3										n/a	4.25	n/a	6
9	2025	Sep, 03	TEX	0.1	1	4	0	0	0	0	0	0	25.0										n/a	0.75	n/a	1
10	2025	Aug, 31	@LAD	1.0	4	21	1	1	1	0	2	1	19.0										n/a	3.65	n/a	6
11	2025	Aug, 26	@MIL	1.2	7	33	2	1	1	0	1	4	21.2										n/a	2.55	n/a	5
12	2025	Aug, 24	CIN	1.1	5	15	1	0	0	0	0	0	20.0										n/a	2.40	n/a	4
13	2025	Aug, 22	CIN	1.0	3	8	0	0	0	0	0	0	25.0										n/a	2.25	n/a	3
14	2025	Aug, 18	CLE	2.0	6	19	0	0	0	0	1	3	26.3										n/a	6.50	n/a	9
15	2025	Aug, 13	@TEX	1.0	6	29	2	0	1	1	0	1	17.2	37.9%	89.8	10.3%	84.8	48.3%	93.1	3.4%	85.6		n/a	2.45	n/a	6
16	2025	Aug, 10	COL	2.0	6	22	0	0	0	0	3	4	31.8	45.5%	90.0			45.5%	94.0	9.1%	87.2		n/a	10.50	n/a	15
17	2025	Aug, 06	SD	1.0	4	22	1	1	1	0	1	1	22.7	40.9%	91.3	13.6%	85.2	31.8%	94.3	13.6%	87.7		n/a	1.65	n/a	3
18	2025	Aug, 05	SD	1.2	5	20	0	0	0	0	0	1	15.0	20.0%	92.3	10.0%	84.5	60.0%	94.6	10.0%	89.0		n/a	3.75	n/a	5
19	2025	Aug, 03	@ATH	1.0	2	6	0	0	0	0	0	0	16.7	16.7%	90.0	33.3%	85.0	50.0%	93.2				n/a	2.25	n/a	3
20	2025	Aug, 01	@ATH	2.0	7	21	1	0	0	0	1	0	14.3	23.8%	90.5	19.0%	85.7	52.4%	93.6	4.8%	87.7		n/a	5.90	n/a	9

2024

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

2023

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

2021

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

2020

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

2019

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

2018

Box Score														Pitch Usage/Velo								DFS
#	Date		Opp	IP	BF	PC	H	HR	ER	BB	SO	SwStr	CSW%	FC		SL		FF		CH		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%	53%	.201	.242	25.0	3.6	.330	.000	0	53%	.287	.368	14.7	2.9	.561	.188	1
Cutter	Fastball	90.5 MPH	2540	18%	32%	.244	.336	23.8	4.8	.513	.300	2	30%	.346	.384	14.3	4.8	.508	.100	0
Slider	Breaking	85.4 MPH	2529	8%	4%	.300	.297	0.0	0.0	.410	.000	0	15%	.409	.491	0.0	0.0	.740	.455	1
Changeup	Offspeed	87.7 MPH	1703	57%	10%	.079	.073	33.3	0.0	.083	.000	0	3%	.411	.386	0.0	0.0	.468	.000	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%	35%	.060	.109	0.0	0.0	.206	3.000	1	52%	.717	.759	0.0	0.0	1.044	.333	0
Slider	Breaking	89.2 MPH	2580	23%	59%	.240	.228	33.3	0.0	.287	.000	0	48%	.305	.350	0.0	0.0	.510	.800	1
Changeup	Offspeed	MPH		0%	6%	.000	.000	0.0	0.0	.000	.000	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
4-Seamer	Fastball	93.6 MPH	2269	13%	62%	.200	.279	16.7	5.6	.455	.188	1	53%	.218	.316	15.2	12.1	.412	.207	2
Slider	Breaking	86.3 MPH	2598	39%	34%	.095	.292	33.3	33.3	.115	.000	0	45%	.227	.267	15.0	5.0	.347	.105	0
Changeup	Offspeed	87.3 MPH	1900	50%	4%	.000	.000	100.0	0.0	.000	.000	0	2%	.000	.000	66.7	0.0	.000	.000	0

Splits	vs LHB								vs RHB
Year	PA	xBAVG	xWOBA	xSLG	ISO	K%	BB%	HR	PA	xBAVG	xWOBA	xSLG	ISO	K%	BB%	HR
2025	63	.229	.289	.407	.150	22.2%	4.8%	3	78	.310	.369	.536	.187	12.8%	2.6%	2
2024	4	.195	.198	.267	.750	25.0%	0.0%	1	8	.460	.503	.710	.625	0.0%	0.0%	1
2023	25	.170	.271	.368	.143	24.0%	12.0%	1	56	.210	.282	.364	.157	17.9%	8.9%	2
2021	76	.265	.292	.402	.137	25.0%	2.6%	2	111	.237	.311	.393	.182	22.5%	9.0%	4

	Home								Road
Season	PA	xAVG	xWOBA	K%	BB%	xSLG	ISO	HR	PA	xAVG	xWOBA	K%	BB%	xSLG	ISO	HR
2025	78	.292	.343	14.1%	2.6%	.493	.173	3	63	.251	.320	20.6%	4.8%	.461	.167	2
2024	4	.195	.198	25.0%	0.0%	.267	.750	1	9	.283	.327	11.1%	0.0%	.488	.444	1
2023	33	.183	.281	15.2%	9.1%	.393	.200	2	48	.209	.278	22.9%	10.4%	.346	.119	1
2021	88	.228	.285	26.1%	8.0%	.349	.165	3	99	.267	.319	21.2%	5.1%	.437	.161	3

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	3.41	4.05	2.48	0.00	3.93	2.40	4.92	0.00	0.00	4.19	3.18
Home	2.17	-0.30	2.67	3.06	0.00	-0.29	0.00	0.00	0.00	0.00	1.89