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Seth Halvorsen

Colorado Rockies · RP Throws: R Bats: R Height: 6'2 Weight: 225 Born: )

Percentile Ranks
vs LHH
vs RHH K%
4.0
89.7 xWOBA
0.355 · 31%
0.308 · 67%
xSLG
26.3
78.6

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		42	0	1-2	39.2	4.99	1.56	20.9%	0.0%	11.6%	.247	.433	.332	.185	9.5%	29.3%	40%	53%	20%	22%	49%	21%	51%	48%	2.1	1.6	3.4	0.3	0.0	0.0
2024		12	0	2-1	12.1	1.46	0.83	28.3%	0.0%	4.3%	.196	.326	.255	.130	6.7%	26.7%	47%	47%	20%	23%	56%	24%	44%	65%	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%	SL		SI		FS		FF		Rating	DK $	DK	FD $	FD
1	2025	Jul, 28	@CLE	1.0	5	27	1	0	1	2	1	2	22.2										n/a	0.45	n/a	3
2	2025	Jul, 25	@BAL	1.0	3	11	0	0	0	0	0	1	18.2					9.1%	91.4	90.9%	100.6		n/a	2.25	n/a	3
3	2025	Jul, 22	STL	1.0	4	14	0	0	0	1	1	4	35.7	21.4%	89.7					78.6%	100.7		n/a	3.65	n/a	6
4	2025	Jul, 18	MIN	1.0	4	17	1	0	0	0	2	3	35.3	5.9%	89.5			11.8%	93.3	82.4%	102.7		n/a	5.65	n/a	9
5	2025	Jul, 09	@BOS	0.0	5	22	4	2	5	1	0	2	27.3	13.6%	87.4			27.3%	89.8	59.1%	98.8		n/a	-13.00	n/a	-15
6	2025	Jul, 06	CWS	1.0	4	12	0	0	0	1	0	1	16.7	8.3%	90.4			8.3%	89.0	83.3%	101.6		n/a	1.65	n/a	3
7	2025	Jul, 03	HOU	1.1	7	26	3	0	1	0	1	3	19.2	23.1%	89.2			19.2%	92.2	57.7%	103.1		n/a	1.20	n/a	4
8	2025	Jun, 29	@MIL	1.0	6	29	2	0	0	1	1	3	24.1										n/a	2.45	n/a	6
9	2025	Jun, 26	LAD	1.0	3	8	0	0	0	0	1	0	0.0										n/a	4.25	n/a	6
10	2025	Jun, 22	ARI	1.0	4	12	1	0	0	0	1	5	41.7										n/a	3.65	n/a	6
11	2025	Jun, 19	@WSH	0.2	3	4	1	1	1	0	0	0	0.0										n/a	-1.10	n/a	-1
12	2025	Jun, 18	@WSH	1.0	3	14	0	0	0	0	2	1	35.7										n/a	6.25	n/a	9
13	2025	Jun, 16	@WSH	1.0	3	15	0	0	0	1	0	0	13.3	6.7%	90.5			6.7%	93.9	86.7%	101.3		n/a	1.65	n/a	3
14	2025	Jun, 12	SF	1.0	4	13	1	0	0	1	1	1	30.8	15.4%	88.6			15.4%	88.8	69.2%	100.9		n/a	7.05	n/a	12
15	2025	Jun, 10	SF	1.0	3	12	0	0	0	0	2	4	50.0	50.0%	89.6			8.3%	91.9	41.7%	101.2		n/a	6.25	n/a	9
16	2025	Jun, 08	NYM	1.0	6	18	3	1	2	0	2	2	27.8	33.3%	90.5			16.7%	92.6	50.0%	101.8		n/a	0.45	n/a	3
17	2025	Jun, 03	@MIA	1.0	3	15	0	0	0	0	0	2	20.0	33.3%	90.7					66.7%	101.2		n/a	2.25	n/a	3
18	2025	Jun, 02	@MIA	1.0	3	17	0	0	0	0	1	1	23.5	23.5%	90.0			11.8%	92.2	64.7%	102.2	17.70	4,000	4.25	n/a	6
19	2025	May, 30	@NYM	1.0	4	11	2	1	1	0	0	0	18.2	27.3%	88.8			18.2%	90.5	54.5%	100.1		n/a	-0.95	n/a	0
20	2025	May, 27	@CHC	1.0	3	8	0	0	0	1	0	0	12.5	25.0%	89.8			25.0%	92.6	37.5%	99.9		n/a	1.65	n/a	3

2024

Box Score														Pitch Usage/Velo								DFS
#	Date		Opp	IP	BF	PC	H	HR	ER	BB	SO	SwStr	CSW%	SL		SI		FS		FF		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%	59%	.265	.345	15.4	17.9	.357	.094	0	50%	.253	.350	25.6	17.9	.375	.161	0
Slider	Breaking	89.4 MPH	2505	36%	5%	.484	.676	50.0	0.0	1.131	.750	1	34%	.202	.302	27.6	6.9	.450	.259	2
Split-finger	Offspeed	90.8 MPH	1677	29%	36%	.240	.336	9.1	6.8	.519	.325	4	16%	.235	.222	37.5	0.0	.275	.125	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%	53%	.241	.273	26.7	6.7	.325	.000	0	62%	.162	.231	36.4	0.0	.256	.300	1
Slider	Breaking	88.9 MPH	2342	41%	6%	.177	.163	66.7	0.0	.195	.000	0	32%	.106	.112	25.0	0.0	.130	.000	0
Split-finger	Offspeed	89.4 MPH	1649	39%	41%	.218	.338	16.7	8.3	.512	.273	1	6%	.069	.098	0.0	0.0	.186	.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

Splits	vs LHB								vs RHB
Year	PA	xBAVG	xWOBA	xSLG	ISO	K%	BB%	HR	PA	xBAVG	xWOBA	xSLG	ISO	K%	BB%	HR
2025	87	.264	.355	.483	.250	13.8%	11.5%	5	84	.230	.308	.380	.189	28.6%	10.7%	2
2024	30	.225	.288	.384	.107	26.7%	6.7%	1	16	.141	.193	.218	.200	31.3%	0.0%	1

	Home								Road
Season	PA	xAVG	xWOBA	K%	BB%	xSLG	ISO	HR	PA	xAVG	xWOBA	K%	BB%	xSLG	ISO	HR
2025	101	.222	.294	28.7%	8.9%	.378	.174	3	70	.287	.388	10.0%	14.3%	.519	.293	4
2024	30	.225	.288	26.7%	6.7%	.384	.107	1	23	.193	.318	21.7%	8.7%	.433	.300	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	1.54	0.20	3.18	0.00	4.64	2.02	-0.42	0.00	2.13	1.73	0.53
Home	3.78	4.21	2.63	4.53	3.65	5.10	0.00	7.90	2.86	3.63	4.22