Pitching

JB Middleton

Colorado Rockies (A)

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Age: 22

Bats/Throws: R/R

6'0" / 178

DOB: 11/24/2003

(22 years, 9 months, 9 days)

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In-Season ProjectionsMinor LeaguesCollege

Season	Team	Level	Age	W	L	SV	G	GS	IP	divider	K/9	BB/9	HR/9	BABIP	LOB%	GB%	HR/FB	divider	vFA	divider	ERA	xERA	FIP	xFIP	WAR
2023	USM	NCAA	19	0	3	0	8	1	9.1		10.61	3.86	2.89	.304	54.7%						8.68		8.26
2024	USM	NCAA	20	2	1	2	24	2	37.1		10.85	6.03	0.72	.297	68.8%						4.34		4.82
2025	USM	NCAA	21	10	1	0	16	16	105.1		10.42	2.14	0.68	.229	81.3%						2.31		3.56
2026	COL	A	22	0	0	0	5	5	20.0		8.10	5.85	1.35	.321	79.3%	59.3%	25.0%				4.95		6.95	5.98
2026	Steamer	ROS	22	0	0	0	0	0	1.0		4.68	5.62	1.69	.319	65.6%						7.05		6.51		0.0
2026	OOPSY	ROS	22	0	0	0	1	1	4.0		5.27	4.70	1.32	.311	65.6%						5.95		5.61		0.0

Season	Team	Level	Age	W	L	SV	G	GS	IP	divider	K/9	BB/9	HR/9	BABIP	LOB%	GB%	HR/FB	divider	vFA	divider	ERA	xERA	FIP	xFIP	WAR
2023	USM	NCAA	19	0	3	0	8	1	9.1		10.61	3.86	2.89	.304	54.7%						8.68		8.26
2024	USM	NCAA	20	2	1	2	24	2	37.1		10.85	6.03	0.72	.297	68.8%						4.34		4.82
2025	USM	NCAA	21	10	1	0	16	16	105.1		10.42	2.14	0.68	.229	81.3%						2.31		3.56
2026	COL	A	22	0	0	0	5	5	20.0		8.10	5.85	1.35	.321	79.3%	59.3%	25.0%				4.95		6.95	5.98
2026	Steamer	ROS	22	0	0	0	0	0	1.0		4.68	5.62	1.69	.319	65.6%						7.05		6.51		0.0
2026	OOPSY	ROS	22	0	0	0	1	1	4.0		5.27	4.70	1.32	.311	65.6%						5.95		5.61		0.0

In-Season ProjectionsMinor LeaguesCollege

Season	Team	Level	W	L	ERA	G	GS	QS	CG	ShO	SV	HLD	BS	IP	TBF	H	R	ER	HR	BB	IBB	HBP	WP	BK	SO
2023	USM	NCAA	0	3	8.68	8	1		0	0	0			9.1	44	10	10	9	3	4		3	1	0	11
2024	USM	NCAA	2	1	4.34	24	2		0	0	2			37.1	167	30	21	18	3	25		3	5	0	45
2025	USM	NCAA	10	1	2.31	16	16		1	0	0			105.1	415	65	28	27	8	25		11	4	1	122
2026	COL	A	0	0	4.95	5	5		0	0	0	0	0	20.0	93	21	11	11	3	13	0	3	0	0	18
2026	Steamer	ROS	0	0	7.05	0	0	0	0	0	0	0		1.0	5	1	1	1	0	1		0			1
2026	OOPSY	ROS	0	0	5.95	1	1	0			0	0		4.0	19	5	3	3	1	2	0	0			2

Season	Team	Level	W	L	ERA	G	GS	QS	CG	ShO	SV	HLD	BS	IP	TBF	H	R	ER	HR	BB	IBB	HBP	WP	BK	SO
2023	USM	NCAA	0	3	8.68	8	1		0	0	0			9.1	44	10	10	9	3	4		3	1	0	11
2024	USM	NCAA	2	1	4.34	24	2		0	0	2			37.1	167	30	21	18	3	25		3	5	0	45
2025	USM	NCAA	10	1	2.31	16	16		1	0	0			105.1	415	65	28	27	8	25		11	4	1	122
2026	COL	A	0	0	4.95	5	5		0	0	0	0	0	20.0	93	21	11	11	3	13	0	3	0	0	18
2026	Steamer	ROS	0	0	7.05	0	0	0	0	0	0	0		1.0	5	1	1	1	0	1		0			1
2026	OOPSY	ROS	0	0	5.95	1	1	0			0	0		4.0	19	5	3	3	1	2	0	0			2

In-Season ProjectionsMinor LeaguesAveragesCollege

Season	Team	Level	K/9	BB/9	K/BB	HR/9	divider	K%	BB%	K-BB%	divider	AVG	WHIP	BABIP	LOB%	divider	ERA-	FIP-	divider	FIP
2023	USM	NCAA	10.61	3.86	2.75	2.89		25.0%	9.1%	15.9%		.270	1.50	.304	54.7%					8.26
2024	USM	NCAA	10.85	6.03	1.80	0.72		26.9%	15.0%	12.0%		.216	1.47	.297	68.8%					4.82
2025	USM	NCAA	10.42	2.14	4.88	0.68		29.4%	6.0%	23.4%		.172	0.85	.229	81.3%					3.56
2026	COL	A	8.10	5.85	1.38	1.35		19.4%	14.0%	5.4%		.273	1.70	.321	79.3%		92	126		6.95
2026	Steamer	ROS	4.68	5.62	0.83	1.69		10.8%	13.0%	-2.2%		.309	1.91	.319	65.6%					6.51
2026	OOPSY	ROS	5.27	4.70	1.12	1.32		12.6%	11.2%	1.4%		.291	1.71	.311	65.6%					5.61

Season	Team	Level	K/9	BB/9	K/BB	HR/9	divider	K%	BB%	K-BB%	divider	AVG	WHIP	BABIP	LOB%	divider	ERA-	FIP-	divider	FIP
2023	USM	NCAA	10.61	3.86	2.75	2.89		25.0%	9.1%	15.9%		.270	1.50	.304	54.7%					8.26
2024	USM	NCAA	10.85	6.03	1.80	0.72		26.9%	15.0%	12.0%		.216	1.47	.297	68.8%					4.82
2025	USM	NCAA	10.42	2.14	4.88	0.68		29.4%	6.0%	23.4%		.172	0.85	.229	81.3%					3.56
2026	COL	A	8.10	5.85	1.38	1.35		19.4%	14.0%	5.4%		.273	1.70	.321	79.3%		92	126		6.95
2026	Steamer	ROS	4.68	5.62	0.83	1.69		10.8%	13.0%	-2.2%		.309	1.91	.319	65.6%					6.51
2026	OOPSY	ROS	5.27	4.70	1.12	1.32		12.6%	11.2%	1.4%		.291	1.71	.311	65.6%					5.61