Seth Halvorsen

Colorado Rockies

Age: 25

Bats/Throws: R/R

6'2" / 225

DOB: 2/18/2000

(25 years, 2 months, 7 days)

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		5.98
2023	TENN	NCAA	23	3	3	2	25	1	52.0	9.00	2.77	1.56	.222	62.5%				3.81		4.60
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		2.36	3.24
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	2.68	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	FGDC	PROJ	25	4	5	10	63	0	63.0	8.23	3.85	1.21	.304	70.1%				4.70		4.53		0.2
2025	Steamer	PROJ	25	3	3	10	63	0	63.0	8.16	3.89	1.21	.311	70.5%	44.9%			4.72		4.55	4.33	0.2
2025	ZiPS	PROJ	25	4	5	10	50	0	52.0	8.31	3.81	1.21	.297	69.6%				4.67		4.51		0.0
2025	ZiPS DC	PROJ	25	5	6	10	63	0	63.0	8.31	3.81	1.21	.297	69.6%				4.67		4.51		0.0
2025	ATC	PROJ	25	4	5	11	59	0	62.0	8.75	3.57	1.11	.311	70.7%				4.41		4.19		0.4
2025	THE BAT	PROJ	25	2	2	11	59	0	62.0	8.63	3.42	0.96	.301	68.7%				4.36		3.94		0.4
2025	OOPSY	PROJ	25	3	3	10	63	0	63.0	9.01	4.19	0.99	.306	71.4%				4.25		4.14		0.4
2025	COL	MLB	25	0	0	1	8	0	8.2	8.31	6.23	1.04	.346	54.8%	63.0%	12.5%	100.0	5.19	3.65	4.75	4.57	-0.1
2025	FGDC	ROS	25	3	4	16	54	0	54.0	8.20	4.15	1.16	.309	69.6%				4.78		4.41		0.1
2025	Steamer	ROS	25	2	3	16	54	0	54.0	8.10	4.23	1.14	.315	70.5%				4.75		4.41		0.1
2025	ZiPS	ROS	25	3	4		43	0	45.0	8.31	4.07	1.19	.302	68.6%				4.82		4.41		0.0
2025	ZiPS DC	ROS	25	3	5	16	54	0	54.0	8.31	4.07	1.19	.302	68.6%				4.82		4.41		0.1
2025	ATC DC	ROS	25	3	4	16	54	0	54.0	8.75	3.57	1.11	.311	70.7%				4.41		4.04		0.4
2025	THE BAT	ROS	25	2	2	16	54	0	37.0	8.10	3.76	1.04	.305	68.0%				4.68		4.14		0.1
2025	OOPSY	ROS	25	3	3	16	54	0	54.0	8.62	4.24	1.02	.311	70.0%				4.51		4.14		0.2
Total	- - -	MLB		2	1	3	20	0	21.0	9.00	3.43	1.29	.278	70.2%	54.4%	13.6%	100.0	3.00		4.25	3.94	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		5.98
2023	TENN	NCAA	23	3	3	2	25	1	52.0	9.00	2.77	1.56	.222	62.5%				3.81		4.60
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		2.36	3.24
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	2.68	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	FGDC	PROJ	25	4	5	10	63	0	63.0	8.23	3.85	1.21	.304	70.1%				4.70		4.53		0.2
2025	Steamer	PROJ	25	3	3	10	63	0	63.0	8.16	3.89	1.21	.311	70.5%	44.9%			4.72		4.55	4.33	0.2
2025	ZiPS	PROJ	25	4	5	10	50	0	52.0	8.31	3.81	1.21	.297	69.6%				4.67		4.51		0.0
2025	ZiPS DC	PROJ	25	5	6	10	63	0	63.0	8.31	3.81	1.21	.297	69.6%				4.67		4.51		0.0
2025	ATC	PROJ	25	4	5	11	59	0	62.0	8.75	3.57	1.11	.311	70.7%				4.41		4.19		0.4
2025	THE BAT	PROJ	25	2	2	11	59	0	62.0	8.63	3.42	0.96	.301	68.7%				4.36		3.94		0.4
2025	OOPSY	PROJ	25	3	3	10	63	0	63.0	9.01	4.19	0.99	.306	71.4%				4.25		4.14		0.4
2025	COL	MLB	25	0	0	1	8	0	8.2	8.31	6.23	1.04	.346	54.8%	63.0%	12.5%	100.0	5.19	3.65	4.75	4.57	-0.1
2025	FGDC	ROS	25	3	4	16	54	0	54.0	8.20	4.15	1.16	.309	69.6%				4.78		4.41		0.1
2025	Steamer	ROS	25	2	3	16	54	0	54.0	8.10	4.23	1.14	.315	70.5%				4.75		4.41		0.1
2025	ZiPS	ROS	25	3	4		43	0	45.0	8.31	4.07	1.19	.302	68.6%				4.82		4.41		0.0
2025	ZiPS DC	ROS	25	3	5	16	54	0	54.0	8.31	4.07	1.19	.302	68.6%				4.82		4.41		0.1
2025	ATC DC	ROS	25	3	4	16	54	0	54.0	8.75	3.57	1.11	.311	70.7%				4.41		4.04		0.4
2025	THE BAT	ROS	25	2	2	16	54	0	37.0	8.10	3.76	1.04	.305	68.0%				4.68		4.14		0.1
2025	OOPSY	ROS	25	3	3	16	54	0	54.0	8.62	4.24	1.02	.311	70.0%				4.51		4.14		0.2
Total	- - -	MLB		2	1	3	20	0	21.0	9.00	3.43	1.29	.278	70.2%	54.4%	13.6%	100.0	3.00		4.25	3.94	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	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	FGDC	PROJ	4	5	4.70	63	0	0			10	8		63.0	276	63	35	33	8	27		3			58
2025	Steamer	PROJ	3	3	4.72	63	0	0	0	0	10	8		63.0	277	65	35	33	8	27	2	3			57
2025	ZiPS	PROJ	4	5	4.67	50	0				10	8		52.0	228	51	29	27	7	22	1	3	2	3	48
2025	ZiPS DC	PROJ	5	6	4.67	63	0	0			10	8		63.0	276	62	35	33	8	27		4			58
2025	ATC	PROJ	4	5	4.41	59	0	0			11	10		62.0	273	63	33	31	8	25	1	4			61
2025	THE BAT	PROJ	2	2	4.36	59	0	0			11	8		62.0	269	60	32	30	7	24	2	3			60
2025	OOPSY	PROJ	3	3	4.25	63	0	0			10	8		63.0	276	60	32	30	7	29		3			63
2025	COL	MLB	0	0	5.19	8	0	0	0	0	1	0	1	8.2	41	10	8	5	1	6	0	0	2	0	8
2025	FGDC	ROS	3	4	4.78	54	0	0			16	5		54.0	237	54	31	29	7	25		3			49
2025	Steamer	ROS	2	3	4.75	54	0	0	0	0	16	5		54.0	237	55	30	28	7	25		2			48
2025	ZiPS	ROS	3	4	4.82	43	0							45.0	198	45	26	24	6	20		2			41
2025	ZiPS DC	ROS	3	5	4.82	54	0	0			16	5		54.0	237	53	31	29	7	24		3			50
2025	ATC DC	ROS	3	4	4.41	54	0	0			16	5		54.0	235	54	29	26	7	21		3			52
2025	THE BAT	ROS	2	2	4.68	54	0				16	5		37.0	162	37	21	19	4	16	1	2			33
2025	OOPSY	ROS	3	3	4.51	54	0	0			16	5		54.0	235	53	29	27	6	25		3			51
Total	- - -	MLB	2	1	3.00	20	0	0	0	0	3	2	2	21.0	87	18	11	7	3	8	0	1	2	1	21

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	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	FGDC	PROJ	4	5	4.70	63	0	0			10	8		63.0	276	63	35	33	8	27		3			58
2025	Steamer	PROJ	3	3	4.72	63	0	0	0	0	10	8		63.0	277	65	35	33	8	27	2	3			57
2025	ZiPS	PROJ	4	5	4.67	50	0				10	8		52.0	228	51	29	27	7	22	1	3	2	3	48
2025	ZiPS DC	PROJ	5	6	4.67	63	0	0			10	8		63.0	276	62	35	33	8	27		4			58
2025	ATC	PROJ	4	5	4.41	59	0	0			11	10		62.0	273	63	33	31	8	25	1	4			61
2025	THE BAT	PROJ	2	2	4.36	59	0	0			11	8		62.0	269	60	32	30	7	24	2	3			60
2025	OOPSY	PROJ	3	3	4.25	63	0	0			10	8		63.0	276	60	32	30	7	29		3			63
2025	COL	MLB	0	0	5.19	8	0	0	0	0	1	0	1	8.2	41	10	8	5	1	6	0	0	2	0	8
2025	FGDC	ROS	3	4	4.78	54	0	0			16	5		54.0	237	54	31	29	7	25		3			49
2025	Steamer	ROS	2	3	4.75	54	0	0	0	0	16	5		54.0	237	55	30	28	7	25		2			48
2025	ZiPS	ROS	3	4	4.82	43	0							45.0	198	45	26	24	6	20		2			41
2025	ZiPS DC	ROS	3	5	4.82	54	0	0			16	5		54.0	237	53	31	29	7	24		3			50
2025	ATC DC	ROS	3	4	4.41	54	0	0			16	5		54.0	235	54	29	26	7	21		3			52
2025	THE BAT	ROS	2	2	4.68	54	0				16	5		37.0	162	37	21	19	4	16	1	2			33
2025	OOPSY	ROS	3	3	4.51	54	0	0			16	5		54.0	235	53	29	27	6	25		3			51
Total	- - -	MLB	2	1	3.00	20	0	0	0	0	3	2	2	21.0	87	18	11	7	3	8	0	1	2	1	21

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%			5.98
2023	TENN	NCAA	9.00	2.77	3.25	1.56	24.1%	7.4%	16.7%	.199	1.06	.222	62.5%			4.60
2023	COL	CPX	11.57	0.00	3.00	0.00	30.0%	0.0%	30.0%	.300	1.29	.429	100.0%	0	42	2.36
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%	70	124	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%	60	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%	122	95	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%	52	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%	108	88	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	125	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	92	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%	138	94	4.59
2025	FGDC	PROJ	8.23	3.85	2.14	1.21	20.8%	9.7%	11.1%	.257	1.43	.304	70.1%			4.53
2025	Steamer	PROJ	8.16	3.89	2.10	1.21	20.6%	9.8%	10.8%	.263	1.46	.311	70.5%			4.55
2025	ZiPS	PROJ	8.31	3.81	2.18	1.21	21.1%	9.6%	11.4%	.251	1.40	.297	69.6%			4.51
2025	ZiPS DC	PROJ	8.31	3.81	2.18	1.21	21.1%	9.6%	11.4%	.251	1.40	.297	69.6%			4.51
2025	ATC	PROJ	8.75	3.57	2.45	1.11	22.2%	9.1%	13.2%	.256	1.40	.311	70.7%			4.19
2025	THE BAT	PROJ	8.63	3.42	2.52	0.96	22.2%	8.8%	13.4%	.246	1.33	.301	68.7%			3.94
2025	OOPSY	PROJ	9.01	4.19	2.15	0.99	22.9%	10.6%	12.2%	.247	1.42	.306	71.4%			4.14
2025	COL	MLB	8.31	6.23	1.33	1.04	19.5%	14.6%	4.9%	.286	1.85	.346	54.8%	114	115	4.75
2025			8.55	3.47	2.46	1.08	22.4%	9.1%	13.3%	.235	1.28	.283	72.6%			4.15
2025	FGDC	ROS	8.20	4.15	1.98	1.16	20.6%	10.4%	10.2%	.259	1.47	.309	69.6%			4.41
2025	Steamer	ROS	8.10	4.23	1.92	1.14	20.4%	10.7%	9.8%	.264	1.50	.315	70.5%			4.41
2025	ZiPS	ROS	8.31	4.07	2.04	1.19	20.9%	10.2%	10.7%	.254	1.45	.302	68.6%			4.41
2025	ZiPS DC	ROS	8.31	4.07	2.04	1.19	20.9%	10.2%	10.7%	.254	1.45	.302	68.6%			4.41
2025	ATC DC	ROS	8.75	3.57	2.45	1.11	22.2%	9.1%	13.2%	.256	1.40	.311	70.7%			4.04
2025	THE BAT	ROS	8.10	3.76	2.15	1.04	20.6%	9.6%	11.0%	.255	1.41	.305	68.0%			4.14
2025	OOPSY	ROS	8.62	4.24	2.03	1.02	21.9%	10.7%	11.1%	.254	1.45	.311	70.0%			4.14
Total	- - -	MLB	9.00	3.43	2.63	1.29	24.1%	9.2%	14.9%	.231	1.24	.278	70.2%	66	101	4.25

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%			5.98
2023	TENN	NCAA	9.00	2.77	3.25	1.56	24.1%	7.4%	16.7%	.199	1.06	.222	62.5%			4.60
2023	COL	CPX	11.57	0.00	3.00	0.00	30.0%	0.0%	30.0%	.300	1.29	.429	100.0%	0	42	2.36
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%	70	124	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%	60	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%	122	95	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%	52	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%	108	88	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	125	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	92	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%	138	94	4.59
2025	FGDC	PROJ	8.23	3.85	2.14	1.21	20.8%	9.7%	11.1%	.257	1.43	.304	70.1%			4.53
2025	Steamer	PROJ	8.16	3.89	2.10	1.21	20.6%	9.8%	10.8%	.263	1.46	.311	70.5%			4.55
2025	ZiPS	PROJ	8.31	3.81	2.18	1.21	21.1%	9.6%	11.4%	.251	1.40	.297	69.6%			4.51
2025	ZiPS DC	PROJ	8.31	3.81	2.18	1.21	21.1%	9.6%	11.4%	.251	1.40	.297	69.6%			4.51
2025	ATC	PROJ	8.75	3.57	2.45	1.11	22.2%	9.1%	13.2%	.256	1.40	.311	70.7%			4.19
2025	THE BAT	PROJ	8.63	3.42	2.52	0.96	22.2%	8.8%	13.4%	.246	1.33	.301	68.7%			3.94
2025	OOPSY	PROJ	9.01	4.19	2.15	0.99	22.9%	10.6%	12.2%	.247	1.42	.306	71.4%			4.14
2025	COL	MLB	8.31	6.23	1.33	1.04	19.5%	14.6%	4.9%	.286	1.85	.346	54.8%	114	115	4.75
2025			8.55	3.47	2.46	1.08	22.4%	9.1%	13.3%	.235	1.28	.283	72.6%			4.15
2025	FGDC	ROS	8.20	4.15	1.98	1.16	20.6%	10.4%	10.2%	.259	1.47	.309	69.6%			4.41
2025	Steamer	ROS	8.10	4.23	1.92	1.14	20.4%	10.7%	9.8%	.264	1.50	.315	70.5%			4.41
2025	ZiPS	ROS	8.31	4.07	2.04	1.19	20.9%	10.2%	10.7%	.254	1.45	.302	68.6%			4.41
2025	ZiPS DC	ROS	8.31	4.07	2.04	1.19	20.9%	10.2%	10.7%	.254	1.45	.302	68.6%			4.41
2025	ATC DC	ROS	8.75	3.57	2.45	1.11	22.2%	9.1%	13.2%	.256	1.40	.311	70.7%			4.04
2025	THE BAT	ROS	8.10	3.76	2.15	1.04	20.6%	9.6%	11.0%	.255	1.41	.305	68.0%			4.14
2025	OOPSY	ROS	8.62	4.24	2.03	1.02	21.9%	10.7%	11.1%	.254	1.45	.311	70.0%			4.14
Total	- - -	MLB	9.00	3.43	2.63	1.29	24.1%	9.2%	14.9%	.231	1.24	.278	70.2%	66	101	4.25

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			8	42.1%	3.00
2024	COL	MLB	30	92.4	114.7	16.2	2	6.7%	14	46.7%	1.46	2.68
2025	COL	MLB	27	85.5	110.6	0.8	1	3.7%	8	29.6%	5.19	3.65
Total	- - -	MLB	57	89.1	114.7	8.9	3	5.3%	22	38.6%	3.00

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			8	42.1%	3.00
2024	COL	MLB	30	92.4	114.7	16.2	2	6.7%	14	46.7%	1.46	2.68
2025	COL	MLB	27	85.5	110.6	0.8	1	3.7%	8	29.6%	5.19	3.65
Total	- - -	MLB	57	89.1	114.7	8.9	3	5.3%	22	38.6%	3.00

Seth Halvorsen

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NYY	DET	LAA
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TOR	MIN	TEX

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