Seth Halvorsen

Colorado Rockies (AAA)

Age: 26

Bats/Throws: R/R

6'2" / 243

DOB: 2/18/2000

(26 years, 1 month, 29 days)

Player Dashboard:

Stats

Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring TrainingMLB Regular SeasonCollege

Season	Team	Level	Age	W W - Wins	L L - Losses	SV SV - Saves	G G - Games Pitched	GS GS - Games Started	IP IP - Innings Pitched	K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP)	BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP)	HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP)	BABIP BABIP - Batting Average on Balls in Play	LOB% LOB% - Left on Base Percentage	GB% GB% - Ground Ball Percentage (GB/BIP)	HR/FB HR/FB - Home Run to Fly Ball Ratio	vFA vFA - Fourseam Fastball velocity (Pitch Info)	ERA ERA - Earned Run Average ((ER*9)/IP)	xERA xERA - Expected ERA	FIP FIP - Fielder Independent Pitching on an ERA scale	xFIP xFIP - Expected Fielder Independent Pitching where Home Runs are calculated as 10.5% of Fly Balls induced	WAR WAR - Wins Above Replacement
2021	MIZ	NCAA	21	4	2	0	16	14	72.0	8.75	7.13	1.25	.309	67.7%				6.00		6.41
2023	TENN	NCAA	23	3	3	2	25	1	52.0	9.00	2.77	1.56	.222	62.5%				3.81		5.05
2023	COL	CPX	23	2	0	0	2	0	2.1	11.57	0.00	0.00	.429	100.0%	57.1%	0.0%		0.00		2.37	3.25
2023	COL	A+	23	0	0	0	5	0	5.0	9.00	1.80	1.80	.357	89.3%	66.7%	33.3%		3.60		4.90	3.17
2023	COL	AA	23	0	0	0	6	0	6.0	7.50	4.50	1.50	.267	90.9%	50.0%	16.7%		3.00		5.28	4.55
2023	COL	MiLB	23	2	0	0	13	0	13.1	8.78	2.70	1.35	.333	92.1%	57.9%	18.2%		2.70		4.63	3.81
2024	COL	AA	24	4	2	8	33	0	35.1	10.44	4.84	0.51	.348	66.4%	46.7%	8.0%		4.84		3.75	3.89
2024	COL	AAA	24	1	0	1	8	0	9.0	15.00	4.00	1.00	.389	84.9%	57.9%	25.0%		3.00		3.28	2.64
2024	COL	MiLB	24	5	2	9	41	0	44.1	11.37	4.67	0.61	.355	69.4%	48.6%	10.3%		4.47		3.65	3.63
2024	COL	ST	24	0	0	0	2	0	2.0	4.50	9.00	0.00	.250	100.0%	100.0%	0.0%		0.00		5.74	5.74
2024	COL	MLB	24	2	1	2	12	0	12.1	9.49	1.46	1.46	.214	97.6%	46.7%	14.3%	100.1	1.46	2.69	3.90	3.50	0.2
2025	COL	ST	25	1	2	0	10	0	9.1	9.64	4.82	0.96	.320	55.6%	61.5%	25.0%		6.75		4.59	3.96
2025	COL	MLB	25	1	2	11	42	0	39.2	8.17	4.76	1.59	.312	69.0%	54.4%	19.4%	100.1	4.99	4.37	5.20	4.31	-0.3
2026	COL	ST	26	0	0	0	7	0	5.0	7.20	21.60	1.80	.438	45.9%	58.8%	50.0%		21.60		12.45	10.60
2026	FGDC	PROJ	26	2	3	0	50	0	50.0	8.16	4.30	1.24	.306	70.2%				4.83		4.68		0.0
2026	Steamer	PROJ	26	2	3	0	50	0	50.0	8.03	4.14	1.20	.314	70.9%	46.1%			4.77		4.58	4.37	0.1
2026	ZiPS	PROJ	26	2	3	0	42	0	42.3	8.30	4.47	1.28	.298	69.6%				4.89		4.77		0.0
2026	ZiPS DC	PROJ	26	2	4	0	50	0	50.0	8.30	4.47	1.28	.298	69.6%				4.89		4.77		0.0
2026	ATC	PROJ	26	2	3	4	46	0	48.0	8.11	4.07	1.19	.301	70.3%				4.64		4.53		0.1
2026	THE BAT	PROJ	26	2	2	4	46	0	48.0	8.02	3.80	1.04	.302	68.8%				4.64		4.28		0.1
2026	THE BAT X	PROJ	26	2	2	4	46	0	48.0	8.40	4.07	0.99	.322	67.8%				4.92		4.16		0.2
2026	OOPSY	PROJ	26	3	2	0	50	0	50.0	8.97	4.24	1.00	.309	71.4%				4.30		4.15		0.1
2026	COL	AAA	26	1	0	2	8	0	8.2	10.38	5.19	0.00	.250	80.0%	30.0%	0.0%		2.08		2.96	4.87
2026	FGDC	ROS	26	2	2	0	44	0	44.0	8.06	4.42	1.19	.314	70.8%				4.85		4.66		0.0
2026	Steamer	ROS	26	2	2	0	44	0	44.0	8.06	4.42	1.19	.314	70.8%				4.85		4.66		0.0
2026	ZiPS DC	ROS	26	2	3	0	44	0	44.0	8.30	4.47	1.28	.298	69.6%				4.89		4.77		0.0
2026	ATC DC	ROS	26	2	3	0	44	0	44.0	8.11	4.07	1.19	.301	70.4%				4.63		4.54		0.0
2026	THE BAT	ROS	26	1	1	0	45	0	34.0	7.98	4.10	1.04	.307	68.4%				4.80		4.39		0.1
2026	THE BAT X	ROS	26	1	2	0	45	0	34.0	8.34	4.45	0.98	.324	67.4%				5.09		4.29		0.1
2026	OOPSY	ROS	26	3	2	0	44	0	44.0	9.01	4.22	1.04	.306	71.5%				4.32		4.20		0.1
Total	- - -	MLB		3	3	13	54	0	52.0	8.48	3.98	1.56	.292	72.8%	52.8%	18.0%	100.1	4.15	3.96	4.89	4.12	-0.1

Season	Team	Level	Age	W W - Wins	L L - Losses	SV SV - Saves	G G - Games Pitched	GS GS - Games Started	IP IP - Innings Pitched	K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP)	BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP)	HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP)	BABIP BABIP - Batting Average on Balls in Play	LOB% LOB% - Left on Base Percentage	GB% GB% - Ground Ball Percentage (GB/BIP)	HR/FB HR/FB - Home Run to Fly Ball Ratio	vFA vFA - Fourseam Fastball velocity (Pitch Info)	ERA ERA - Earned Run Average ((ER*9)/IP)	xERA xERA - Expected ERA	FIP FIP - Fielder Independent Pitching on an ERA scale	xFIP xFIP - Expected Fielder Independent Pitching where Home Runs are calculated as 10.5% of Fly Balls induced	WAR WAR - Wins Above Replacement
2021	MIZ	NCAA	21	4	2	0	16	14	72.0	8.75	7.13	1.25	.309	67.7%				6.00		6.41
2023	TENN	NCAA	23	3	3	2	25	1	52.0	9.00	2.77	1.56	.222	62.5%				3.81		5.05
2023	COL	CPX	23	2	0	0	2	0	2.1	11.57	0.00	0.00	.429	100.0%	57.1%	0.0%		0.00		2.37	3.25
2023	COL	A+	23	0	0	0	5	0	5.0	9.00	1.80	1.80	.357	89.3%	66.7%	33.3%		3.60		4.90	3.17
2023	COL	AA	23	0	0	0	6	0	6.0	7.50	4.50	1.50	.267	90.9%	50.0%	16.7%		3.00		5.28	4.55
2023	COL	MiLB	23	2	0	0	13	0	13.1	8.78	2.70	1.35	.333	92.1%	57.9%	18.2%		2.70		4.63	3.81
2024	COL	AA	24	4	2	8	33	0	35.1	10.44	4.84	0.51	.348	66.4%	46.7%	8.0%		4.84		3.75	3.89
2024	COL	AAA	24	1	0	1	8	0	9.0	15.00	4.00	1.00	.389	84.9%	57.9%	25.0%		3.00		3.28	2.64
2024	COL	MiLB	24	5	2	9	41	0	44.1	11.37	4.67	0.61	.355	69.4%	48.6%	10.3%		4.47		3.65	3.63
2024	COL	ST	24	0	0	0	2	0	2.0	4.50	9.00	0.00	.250	100.0%	100.0%	0.0%		0.00		5.74	5.74
2024	COL	MLB	24	2	1	2	12	0	12.1	9.49	1.46	1.46	.214	97.6%	46.7%	14.3%	100.1	1.46	2.69	3.90	3.50	0.2
2025	COL	ST	25	1	2	0	10	0	9.1	9.64	4.82	0.96	.320	55.6%	61.5%	25.0%		6.75		4.59	3.96
2025	COL	MLB	25	1	2	11	42	0	39.2	8.17	4.76	1.59	.312	69.0%	54.4%	19.4%	100.1	4.99	4.37	5.20	4.31	-0.3
2026	COL	ST	26	0	0	0	7	0	5.0	7.20	21.60	1.80	.438	45.9%	58.8%	50.0%		21.60		12.45	10.60
2026	FGDC	PROJ	26	2	3	0	50	0	50.0	8.16	4.30	1.24	.306	70.2%				4.83		4.68		0.0
2026	Steamer	PROJ	26	2	3	0	50	0	50.0	8.03	4.14	1.20	.314	70.9%	46.1%			4.77		4.58	4.37	0.1
2026	ZiPS	PROJ	26	2	3	0	42	0	42.3	8.30	4.47	1.28	.298	69.6%				4.89		4.77		0.0
2026	ZiPS DC	PROJ	26	2	4	0	50	0	50.0	8.30	4.47	1.28	.298	69.6%				4.89		4.77		0.0
2026	ATC	PROJ	26	2	3	4	46	0	48.0	8.11	4.07	1.19	.301	70.3%				4.64		4.53		0.1
2026	THE BAT	PROJ	26	2	2	4	46	0	48.0	8.02	3.80	1.04	.302	68.8%				4.64		4.28		0.1
2026	THE BAT X	PROJ	26	2	2	4	46	0	48.0	8.40	4.07	0.99	.322	67.8%				4.92		4.16		0.2
2026	OOPSY	PROJ	26	3	2	0	50	0	50.0	8.97	4.24	1.00	.309	71.4%				4.30		4.15		0.1
2026	COL	AAA	26	1	0	2	8	0	8.2	10.38	5.19	0.00	.250	80.0%	30.0%	0.0%		2.08		2.96	4.87
2026	FGDC	ROS	26	2	2	0	44	0	44.0	8.06	4.42	1.19	.314	70.8%				4.85		4.66		0.0
2026	Steamer	ROS	26	2	2	0	44	0	44.0	8.06	4.42	1.19	.314	70.8%				4.85		4.66		0.0
2026	ZiPS DC	ROS	26	2	3	0	44	0	44.0	8.30	4.47	1.28	.298	69.6%				4.89		4.77		0.0
2026	ATC DC	ROS	26	2	3	0	44	0	44.0	8.11	4.07	1.19	.301	70.4%				4.63		4.54		0.0
2026	THE BAT	ROS	26	1	1	0	45	0	34.0	7.98	4.10	1.04	.307	68.4%				4.80		4.39		0.1
2026	THE BAT X	ROS	26	1	2	0	45	0	34.0	8.34	4.45	0.98	.324	67.4%				5.09		4.29		0.1
2026	OOPSY	ROS	26	3	2	0	44	0	44.0	9.01	4.22	1.04	.306	71.5%				4.32		4.20		0.1
Total	- - -	MLB		3	3	13	54	0	52.0	8.48	3.98	1.56	.292	72.8%	52.8%	18.0%	100.1	4.15	3.96	4.89	4.12	-0.1

Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring TrainingMLB Regular SeasonCollege

Season	Team	Level	W W - Wins	L L - Losses	ERA ERA - Earned Run Average ((ER*9)/IP)	G G - Games Pitched	GS GS - Games Started	QS QS - Quality Starts; pitched at least 6 innings and gave up 3 or fewer earned runs	CG CG - Complete Games	ShO ShO - Shoutouts	SV SV - Saves	HLD HLD - Holds	BS BS - Blown Saves	IP IP - Innings Pitched	TBF TBF - Total Batters Faced	H H - Hits Allowed	R R - Runs Allowed	ER ER - Earned Runs	HR HR - Home Runs	BB BB - Walks	IBB IBB - Intentional	HBP HBP - Hit Batters	WP WP - Wild Pitches	BK BK - Balks	SO SO - Strikeouts
2021	MIZ	NCAA	4	2	6.00	16	14		0	0	0			72.0	338	68	54	48	10	57		13	7	0	70
2023	TENN	NCAA	3	3	3.81	25	1		0	0	2			52.0	216	39	30	22	9	16		4	2	0	52
2023	COL	CPX	2	0	0.00	2	0		0	0	0	0	0	2.1	10	3	0	0	0	0	0	0	0	0	3
2023	COL	A+	0	0	3.60	5	0		0	0	0	0	1	5.0	21	6	2	2	1	1	0	0	0	0	5
2023	COL	AA	0	0	3.00	6	0		0	0	0	2	1	6.0	24	5	2	2	1	3	0	0	0	0	5
2023	COL	MiLB	2	0	2.70	13	0		0	0	0	2	2	13.1	55	14	4	4	2	4	0	0	0	0	13
2024	COL	AA	4	2	4.84	33	0		0	0	8	3	3	35.1	158	34	21	19	2	19	1	4	3	2	41
2024	COL	AAA	1	0	3.00	8	0		0	0	1	1	1	9.0	38	8	3	3	1	4	0	0	0	0	15
2024	COL	MiLB	5	2	4.47	41	0		0	0	9	4	4	44.1	196	42	24	22	3	23	1	4	3	2	56
2024	COL	ST	0	0	0.00	2	0		0	0	0	1	0	2.0	7	1	0	0	0	2	0	0	0	0	1
2024	COL	MLB	2	1	1.46	12	0	0	0	0	2	2	1	12.1	46	8	3	2	2	2	0	1	0	1	13
2025	COL	ST	1	2	6.75	10	0		0	0	0	1	1	9.1	41	9	7	7	1	5	0	0	1	0	10
2025	COL	MLB	1	2	4.99	42	0	0	0	0	11	4	3	39.2	173	41	26	22	7	21	1	0	3	0	36
2026	COL	ST	0	0	21.60	7	0		0	0	0	1	1	5.0	34	8	12	12	1	12	0	1	4	0	4
2026	FGDC	PROJ	2	3	4.83	50	0	0			0	4		50.0	222	51	29	27	7	24		2			45
2026	Steamer	PROJ	2	3	4.77	50	0	0	0	0	0	4		50.0	221	52	28	27	7	23	1	2			45
2026	ZiPS	PROJ	2	3	4.89	42	0				0	4		42.3	189	42	25	23	6	21	1	2	3	1	39
2026	ZiPS DC	PROJ	2	4	4.89	50	0	0			0	4		50.0	223	50	30	27	7	25		2			46
2026	ATC	PROJ	2	3	4.64	46	0	0			4	5		48.0	212	48	27	25	6	22	1	2			43
2026	THE BAT	PROJ	2	2	4.64	46	0	0			4	4		48.0	211	48	27	25	6	20	2	2			43
2026	THE BAT X	PROJ	2	2	4.92	46	0	0			4	4		48.0	214	50	28	26	5	22	2	2			45
2026	OOPSY	PROJ	3	2	4.30	50	0	0			0	4		50.0	220	48	26	24	6	24		3			50
2026	COL	AAA	1	0	2.08	8	0		0	0	2	1	0	8.2	35	5	2	2	0	5	0	0	0	0	10
2026	FGDC	ROS	2	2	4.85	44	0	0			0	4		44.0	198	46	26	24	6	22		2			40
2026	Steamer	ROS	2	2	4.85	44	0	0	0	0	0	4		44.0	198	46	26	24	6	22		2			40
2026	ZiPS DC	ROS	2	3	4.89	44	0	0			0	4		44.0	199	44	26	24	6	22		2			41
2026	ATC DC	ROS	2	3	4.63	44	0	0			0	4		44.0	196	44	25	23	6	20		2			40
2026	THE BAT	ROS	1	1	4.80	45	0				0	4		34.0	152	35	20	18	4	16	1	2			30
2026	THE BAT X	ROS	1	2	5.09	45	0	0			0	4		34.0	155	36	21	19	4	17	1	1			32
2026	OOPSY	ROS	3	2	4.32	44	0	0			0	4		44.0	196	43	23	21	5	21		2			44
Total	- - -	MLB	3	3	4.15	54	0	0	0	0	13	6	4	52.0	219	49	29	24	9	23	1	1	3	1	49

Season	Team	Level	W W - Wins	L L - Losses	ERA ERA - Earned Run Average ((ER*9)/IP)	G G - Games Pitched	GS GS - Games Started	QS QS - Quality Starts; pitched at least 6 innings and gave up 3 or fewer earned runs	CG CG - Complete Games	ShO ShO - Shoutouts	SV SV - Saves	HLD HLD - Holds	BS BS - Blown Saves	IP IP - Innings Pitched	TBF TBF - Total Batters Faced	H H - Hits Allowed	R R - Runs Allowed	ER ER - Earned Runs	HR HR - Home Runs	BB BB - Walks	IBB IBB - Intentional	HBP HBP - Hit Batters	WP WP - Wild Pitches	BK BK - Balks	SO SO - Strikeouts
2021	MIZ	NCAA	4	2	6.00	16	14		0	0	0			72.0	338	68	54	48	10	57		13	7	0	70
2023	TENN	NCAA	3	3	3.81	25	1		0	0	2			52.0	216	39	30	22	9	16		4	2	0	52
2023	COL	CPX	2	0	0.00	2	0		0	0	0	0	0	2.1	10	3	0	0	0	0	0	0	0	0	3
2023	COL	A+	0	0	3.60	5	0		0	0	0	0	1	5.0	21	6	2	2	1	1	0	0	0	0	5
2023	COL	AA	0	0	3.00	6	0		0	0	0	2	1	6.0	24	5	2	2	1	3	0	0	0	0	5
2023	COL	MiLB	2	0	2.70	13	0		0	0	0	2	2	13.1	55	14	4	4	2	4	0	0	0	0	13
2024	COL	AA	4	2	4.84	33	0		0	0	8	3	3	35.1	158	34	21	19	2	19	1	4	3	2	41
2024	COL	AAA	1	0	3.00	8	0		0	0	1	1	1	9.0	38	8	3	3	1	4	0	0	0	0	15
2024	COL	MiLB	5	2	4.47	41	0		0	0	9	4	4	44.1	196	42	24	22	3	23	1	4	3	2	56
2024	COL	ST	0	0	0.00	2	0		0	0	0	1	0	2.0	7	1	0	0	0	2	0	0	0	0	1
2024	COL	MLB	2	1	1.46	12	0	0	0	0	2	2	1	12.1	46	8	3	2	2	2	0	1	0	1	13
2025	COL	ST	1	2	6.75	10	0		0	0	0	1	1	9.1	41	9	7	7	1	5	0	0	1	0	10
2025	COL	MLB	1	2	4.99	42	0	0	0	0	11	4	3	39.2	173	41	26	22	7	21	1	0	3	0	36
2026	COL	ST	0	0	21.60	7	0		0	0	0	1	1	5.0	34	8	12	12	1	12	0	1	4	0	4
2026	FGDC	PROJ	2	3	4.83	50	0	0			0	4		50.0	222	51	29	27	7	24		2			45
2026	Steamer	PROJ	2	3	4.77	50	0	0	0	0	0	4		50.0	221	52	28	27	7	23	1	2			45
2026	ZiPS	PROJ	2	3	4.89	42	0				0	4		42.3	189	42	25	23	6	21	1	2	3	1	39
2026	ZiPS DC	PROJ	2	4	4.89	50	0	0			0	4		50.0	223	50	30	27	7	25		2			46
2026	ATC	PROJ	2	3	4.64	46	0	0			4	5		48.0	212	48	27	25	6	22	1	2			43
2026	THE BAT	PROJ	2	2	4.64	46	0	0			4	4		48.0	211	48	27	25	6	20	2	2			43
2026	THE BAT X	PROJ	2	2	4.92	46	0	0			4	4		48.0	214	50	28	26	5	22	2	2			45
2026	OOPSY	PROJ	3	2	4.30	50	0	0			0	4		50.0	220	48	26	24	6	24		3			50
2026	COL	AAA	1	0	2.08	8	0		0	0	2	1	0	8.2	35	5	2	2	0	5	0	0	0	0	10
2026	FGDC	ROS	2	2	4.85	44	0	0			0	4		44.0	198	46	26	24	6	22		2			40
2026	Steamer	ROS	2	2	4.85	44	0	0	0	0	0	4		44.0	198	46	26	24	6	22		2			40
2026	ZiPS DC	ROS	2	3	4.89	44	0	0			0	4		44.0	199	44	26	24	6	22		2			41
2026	ATC DC	ROS	2	3	4.63	44	0	0			0	4		44.0	196	44	25	23	6	20		2			40
2026	THE BAT	ROS	1	1	4.80	45	0				0	4		34.0	152	35	20	18	4	16	1	2			30
2026	THE BAT X	ROS	1	2	5.09	45	0	0			0	4		34.0	155	36	21	19	4	17	1	1			32
2026	OOPSY	ROS	3	2	4.32	44	0	0			0	4		44.0	196	43	23	21	5	21		2			44
Total	- - -	MLB	3	3	4.15	54	0	0	0	0	13	6	4	52.0	219	49	29	24	9	23	1	1	3	1	49

Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring TrainingMLB Regular SeasonAveragesCollege

Season	Team	Level	K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP)	BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP)	K/BB K/BB - Strikeout to Walk Ratio (SO/BB)	HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP)	K% K% - Strikeout Percentage (SO/TBF)	BB% BB% - Walk Percentage (BB/TBF)	K-BB% K-BB% - The difference between strikeout percentage and walk percentage	AVG AVG - Batting Average Against	WHIP WHIP - Walks + Hits divided by Innings Pitched	BABIP BABIP - Batting Average on Balls in Play	LOB% LOB% - Left on Base Percentage	ERA- ERA- - ERA adjusted for park and league where 100 is average and lower is better	FIP- FIP- - FIP adjusted for park and league where 100 is average and lower is better	FIP FIP - Fielder Independent Pitching on an ERA scale
2021	MIZ	NCAA	8.75	7.13	1.23	1.25	20.7%	16.9%	3.8%	.254	1.74	.309	67.7%			6.41
2023	TENN	NCAA	9.00	2.77	3.25	1.56	24.1%	7.4%	16.7%	.199	1.06	.222	62.5%			5.05
2023	COL	CPX	11.57	0.00	3.00	0.00	30.0%	0.0%	30.0%	.300	1.29	.429	100.0%	0	43	2.37
2023	COL	A+	9.00	1.80	5.00	1.80	23.8%	4.8%	19.0%	.300	1.40	.357	89.3%	75	105	4.90
2023	COL	AA	7.50	4.50	1.67	1.50	20.8%	12.5%	8.3%	.238	1.33	.267	90.9%	69	123	5.28
2023	COL	MiLB	8.78	2.70	3.25	1.35	23.6%	7.3%	16.4%	.275	1.35	.333	92.1%	59	102	4.63
2024	COL	AA	10.44	4.84	2.16	0.51	25.9%	12.0%	13.9%	.252	1.50	.348	66.4%	121	94	3.75
2024	COL	AAA	15.00	4.00	3.75	1.00	39.5%	10.5%	28.9%	.235	1.33	.389	84.9%	53	60	3.28
2024	COL	MiLB	11.37	4.67	2.43	0.61	28.6%	11.7%	16.8%	.249	1.47	.355	69.4%	107	87	3.65
2024	COL	ST	4.50	9.00	0.50	0.00	14.3%	28.6%	-14.3%	.200	1.50	.250	100.0%	0	126	5.74
2024	COL	MLB	9.49	1.46	6.50	1.46	28.3%	4.3%	23.9%	.186	0.81	.214	97.6%	31	91	3.90
2024			8.60	3.12	2.76	1.14	22.6%	8.2%	14.4%	.241	1.27	.289	72.1%			4.11
2025	COL	ST	9.64	4.82	2.00	0.96	24.4%	12.2%	12.2%	.250	1.50	.320	55.6%	136	95	4.59
2025	COL	MLB	8.17	4.76	1.71	1.59	20.8%	12.1%	8.7%	.270	1.56	.312	69.0%	104	119	5.20
2025			8.49	3.21	2.64	1.18	22.2%	8.4%	13.8%	.242	1.29	.289	72.3%			4.22
2026	COL	ST	7.20	21.60	0.33	1.80	11.8%	35.3%	-23.5%	.381	4.00	.438	45.9%	432	255	12.45
2026	FGDC	PROJ	8.16	4.30	1.90	1.24	20.4%	10.8%	9.7%	.260	1.50	.306	70.2%			4.68
2026	Steamer	PROJ	8.03	4.14	1.94	1.20	20.2%	10.4%	9.8%	.266	1.50	.314	70.9%			4.58
2026	ZiPS	PROJ	8.30	4.47	1.86	1.28	20.6%	11.1%	9.5%	.253	1.49	.298	69.6%			4.77
2026	ZiPS DC	PROJ	8.30	4.47	1.86	1.28	20.6%	11.1%	9.5%	.253	1.49	.298	69.6%			4.77
2026	ATC	PROJ	8.11	4.07	1.99	1.19	20.4%	10.3%	10.2%	.256	1.45	.301	70.3%			4.53
2026	THE BAT	PROJ	8.02	3.80	2.11	1.04	20.3%	9.6%	10.7%	.254	1.41	.302	68.8%			4.28
2026	THE BAT X	PROJ	8.40	4.07	2.06	0.99	21.0%	10.2%	10.8%	.265	1.50	.322	67.8%			4.16
2026	OOPSY	PROJ	8.97	4.24	2.12	1.00	22.6%	10.7%	11.9%	.249	1.44	.309	71.4%			4.15
2026	COL	AAA	10.38	5.19	2.00	0.00	28.6%	14.3%	14.3%	.167	1.15	.250	80.0%	40	59	2.96
2026	FGDC	ROS	8.06	4.42	1.82	1.19	20.1%	11.0%	9.1%	.265	1.53	.314	70.8%			4.66
2026	Steamer	ROS	8.06	4.42	1.82	1.19	20.1%	11.0%	9.1%	.265	1.53	.314	70.8%			4.66
2026	ZiPS DC	ROS	8.30	4.47	1.86	1.28	20.6%	11.1%	9.5%	.253	1.49	.298	69.6%			4.77
2026	ATC DC	ROS	8.11	4.07	1.99	1.19	20.5%	10.3%	10.2%	.255	1.45	.301	70.4%			4.54
2026	THE BAT	ROS	7.98	4.10	1.95	1.04	20.1%	10.3%	9.8%	.258	1.46	.307	68.4%			4.39
2026	THE BAT X	ROS	8.34	4.45	1.87	0.98	20.6%	11.0%	9.6%	.267	1.56	.324	67.4%			4.29
2026	OOPSY	ROS	9.01	4.22	2.14	1.04	22.7%	10.6%	12.1%	.248	1.43	.306	71.5%			4.20
Total	- - -	MLB	8.48	3.98	2.13	1.56	22.4%	10.5%	11.9%	.251	1.38	.292	72.8%	87	112	4.89

Season	Team	Level	K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP)	BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP)	K/BB K/BB - Strikeout to Walk Ratio (SO/BB)	HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP)	K% K% - Strikeout Percentage (SO/TBF)	BB% BB% - Walk Percentage (BB/TBF)	K-BB% K-BB% - The difference between strikeout percentage and walk percentage	AVG AVG - Batting Average Against	WHIP WHIP - Walks + Hits divided by Innings Pitched	BABIP BABIP - Batting Average on Balls in Play	LOB% LOB% - Left on Base Percentage	ERA- ERA- - ERA adjusted for park and league where 100 is average and lower is better	FIP- FIP- - FIP adjusted for park and league where 100 is average and lower is better	FIP FIP - Fielder Independent Pitching on an ERA scale
2021	MIZ	NCAA	8.75	7.13	1.23	1.25	20.7%	16.9%	3.8%	.254	1.74	.309	67.7%			6.41
2023	TENN	NCAA	9.00	2.77	3.25	1.56	24.1%	7.4%	16.7%	.199	1.06	.222	62.5%			5.05
2023	COL	CPX	11.57	0.00	3.00	0.00	30.0%	0.0%	30.0%	.300	1.29	.429	100.0%	0	43	2.37
2023	COL	A+	9.00	1.80	5.00	1.80	23.8%	4.8%	19.0%	.300	1.40	.357	89.3%	75	105	4.90
2023	COL	AA	7.50	4.50	1.67	1.50	20.8%	12.5%	8.3%	.238	1.33	.267	90.9%	69	123	5.28
2023	COL	MiLB	8.78	2.70	3.25	1.35	23.6%	7.3%	16.4%	.275	1.35	.333	92.1%	59	102	4.63
2024	COL	AA	10.44	4.84	2.16	0.51	25.9%	12.0%	13.9%	.252	1.50	.348	66.4%	121	94	3.75
2024	COL	AAA	15.00	4.00	3.75	1.00	39.5%	10.5%	28.9%	.235	1.33	.389	84.9%	53	60	3.28
2024	COL	MiLB	11.37	4.67	2.43	0.61	28.6%	11.7%	16.8%	.249	1.47	.355	69.4%	107	87	3.65
2024	COL	ST	4.50	9.00	0.50	0.00	14.3%	28.6%	-14.3%	.200	1.50	.250	100.0%	0	126	5.74
2024	COL	MLB	9.49	1.46	6.50	1.46	28.3%	4.3%	23.9%	.186	0.81	.214	97.6%	31	91	3.90
2024			8.60	3.12	2.76	1.14	22.6%	8.2%	14.4%	.241	1.27	.289	72.1%			4.11
2025	COL	ST	9.64	4.82	2.00	0.96	24.4%	12.2%	12.2%	.250	1.50	.320	55.6%	136	95	4.59
2025	COL	MLB	8.17	4.76	1.71	1.59	20.8%	12.1%	8.7%	.270	1.56	.312	69.0%	104	119	5.20
2025			8.49	3.21	2.64	1.18	22.2%	8.4%	13.8%	.242	1.29	.289	72.3%			4.22
2026	COL	ST	7.20	21.60	0.33	1.80	11.8%	35.3%	-23.5%	.381	4.00	.438	45.9%	432	255	12.45
2026	FGDC	PROJ	8.16	4.30	1.90	1.24	20.4%	10.8%	9.7%	.260	1.50	.306	70.2%			4.68
2026	Steamer	PROJ	8.03	4.14	1.94	1.20	20.2%	10.4%	9.8%	.266	1.50	.314	70.9%			4.58
2026	ZiPS	PROJ	8.30	4.47	1.86	1.28	20.6%	11.1%	9.5%	.253	1.49	.298	69.6%			4.77
2026	ZiPS DC	PROJ	8.30	4.47	1.86	1.28	20.6%	11.1%	9.5%	.253	1.49	.298	69.6%			4.77
2026	ATC	PROJ	8.11	4.07	1.99	1.19	20.4%	10.3%	10.2%	.256	1.45	.301	70.3%			4.53
2026	THE BAT	PROJ	8.02	3.80	2.11	1.04	20.3%	9.6%	10.7%	.254	1.41	.302	68.8%			4.28
2026	THE BAT X	PROJ	8.40	4.07	2.06	0.99	21.0%	10.2%	10.8%	.265	1.50	.322	67.8%			4.16
2026	OOPSY	PROJ	8.97	4.24	2.12	1.00	22.6%	10.7%	11.9%	.249	1.44	.309	71.4%			4.15
2026	COL	AAA	10.38	5.19	2.00	0.00	28.6%	14.3%	14.3%	.167	1.15	.250	80.0%	40	59	2.96
2026	FGDC	ROS	8.06	4.42	1.82	1.19	20.1%	11.0%	9.1%	.265	1.53	.314	70.8%			4.66
2026	Steamer	ROS	8.06	4.42	1.82	1.19	20.1%	11.0%	9.1%	.265	1.53	.314	70.8%			4.66
2026	ZiPS DC	ROS	8.30	4.47	1.86	1.28	20.6%	11.1%	9.5%	.253	1.49	.298	69.6%			4.77
2026	ATC DC	ROS	8.11	4.07	1.99	1.19	20.5%	10.3%	10.2%	.255	1.45	.301	70.4%			4.54
2026	THE BAT	ROS	7.98	4.10	1.95	1.04	20.1%	10.3%	9.8%	.258	1.46	.307	68.4%			4.39
2026	THE BAT X	ROS	8.34	4.45	1.87	0.98	20.6%	11.0%	9.6%	.267	1.56	.324	67.4%			4.29
2026	OOPSY	ROS	9.01	4.22	2.14	1.04	22.7%	10.6%	12.1%	.248	1.43	.306	71.5%			4.20
Total	- - -	MLB	8.48	3.98	2.13	1.56	22.4%	10.5%	11.9%	.251	1.38	.292	72.8%	87	112	4.89

Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring TrainingMLB Regular SeasonCollege

Season	Team	Level	Events Events - The number of Batted Balls (TBF - SO - BB - HBP)	EV EV - Exit Velocity (mph) - Speed of the baseball as it comes off the bat	maxEV maxEV - Maximum Exit Velocity (mph) - Highest speed of a ball off the bat.	LA LA - Launch Angle (degree) - Vertical direction of the ball as it leaves the bat	Barrels Barrels - A batted ball with comparable hit types (in terms of exit velocity and launch angle) have led to a minimum .500 batting average and 1.500 slugging percentage	Barrel% Barrel% - Percentage of batted balls that are classified as barrels	HardHit HardHit - Number of batted balls with exit velocity of 95 mph or higher	HardHit% HardHit% - Percentage of batted balls with exit velocity of 95 mph or higher	ERA ERA - Earned Run Average ((ER*9)/IP)	xERA xERA - Expected ERA
2024	COL	AAA	19	89.7	104.7	4.3	0		8	42.1%	3.00
2024	COL	MLB	30	92.4	114.7	16.1	2	6.7%	14	46.7%	1.46	2.69
2025	COL	MLB	116	89.0	113.0	6.1	11	9.5%	46	39.7%	4.99	4.37
2026	COL	ST	17	93.0	108.0	0.9	1	5.9%	11	64.7%	21.60
2026	COL	AAA	20	90.3	102.3	16.7	0		8	40.0%	2.08
Total	- - -	MLB	146	89.7	114.7	8.2	13	8.9%	60	41.1%	4.15	3.96

Season	Team	Level	Events Events - The number of Batted Balls (TBF - SO - BB - HBP)	EV EV - Exit Velocity (mph) - Speed of the baseball as it comes off the bat	maxEV maxEV - Maximum Exit Velocity (mph) - Highest speed of a ball off the bat.	LA LA - Launch Angle (degree) - Vertical direction of the ball as it leaves the bat	Barrels Barrels - A batted ball with comparable hit types (in terms of exit velocity and launch angle) have led to a minimum .500 batting average and 1.500 slugging percentage	Barrel% Barrel% - Percentage of batted balls that are classified as barrels	HardHit HardHit - Number of batted balls with exit velocity of 95 mph or higher	HardHit% HardHit% - Percentage of batted balls with exit velocity of 95 mph or higher	ERA ERA - Earned Run Average ((ER*9)/IP)	xERA xERA - Expected ERA
2024	COL	AAA	19	89.7	104.7	4.3	0		8	42.1%	3.00
2024	COL	MLB	30	92.4	114.7	16.1	2	6.7%	14	46.7%	1.46	2.69
2025	COL	MLB	116	89.0	113.0	6.1	11	9.5%	46	39.7%	4.99	4.37
2026	COL	ST	17	93.0	108.0	0.9	1	5.9%	11	64.7%	21.60
2026	COL	AAA	20	90.3	102.3	16.7	0		8	40.0%	2.08
Total	- - -	MLB	146	89.7	114.7	8.2	13	8.9%	60	41.1%	4.15	3.96

Seth Halvorsen

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TOR	MIN	TEX

ATL	CHC	ARI
MIA	CIN	COL
NYM	MIL	LAD
PHI	PIT	SDP
WSN	STL	SFG