JB Middleton

High Level

Years

2023-2026

Proper Name

Jonathan Bailey Middleton

Positions

Height / Weight

6-0 / 178

Bats / Throws

Right / Right

Birthdate

November 24,2003 Age: 22.193

Place

Yazoo City, Mississippi

High School

Benton (Benton,MS)

Colleges

University of Southern Mississippi (Hattiesburg,MS)

Drafted/Signed

2025-2-45-Colorado Rockies

Signing Bonus

$ 2,071,900

MLBAM ID

822477

Actions

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Prospect Rankings

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year

source

type

team

rank

view rankings

2026

Baseball America

Team

Colorado Rockies

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2026

MLB Pipeline

Team

Colorado Rockies

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2 record(s)

Scouting Grades

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1 record(s)

Pitching Statistics

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ðŸ”’

MLB Stats

Minor League Stats

College Stats

Yearly Summary

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year	team name	league	level	mlb	#	age	w	l	era	g	gs	cg	sho	gr	gf	sv	ip	h	r	er	hr	bb	so	wp	bk	hb	whip	h9	hr9	bb9	so9	ra9	so/bb
2023	Southern Miss	SBC	NCAA-1	Fr	18	19	0	3	8.68	8	1	0	0	7	0	0	9.1	10	10	9	3	4	11	1	0	3	1.50	9.64	2.89	3.86	10.61	9.64	2.75
2024	Southern Miss	SBC	NCAA-1	So	18	20	2	1	4.34	24	2	0	0	22	0	2	37.1	30	21	18	3	25	45	5	0	3	1.47	7.23	0.72	6.03	10.85	5.06	1.80
2025	Southern Miss	SBC	NCAA-1	Jr	18	21	8	1	2.07	14	14	1	0	0	0	0	91.1	53	22	21	5	23	104	4	1	9	0.83	5.22	0.49	2.27	10.25	2.17	4.52
2026	Fresno Grizzlies	Cal2	A	COL		22	0	0	4.95	5	5	0	0	0	0	0	20.0	21	11	11	3	13	18	0	0	3	1.70	9.45	1.35	5.85	8.10	4.95	1.38
Tot:	Minors (1 yrs)		Minors				0	0	4.95	5	5	0	0	0	0	0	20.0	21	11	11	3	13	18	0	0	3	1.70	9.45	1.35	5.85	8.10	4.95	1.38
Tot:	A (1 yrs)		A				0	0	4.95	5	5	0	0	0	0	0	20.0	21	11	11	3	13	18	0	0	3	1.70	9.45	1.35	5.85	8.10	4.95	1.38
Tot:	College (3 yrs)		College				10	5	3.13	46	17	1	0	0	29	2	138.0	93	53	48	11	52	160	10	1	15	1.05	6.07	0.72	3.39	10.43	3.46	3.08
Avg:	Minors - 162 Inning avg		Minors				ðŸ”’	ðŸ”’	ðŸ”’	ðŸ”’	ðŸ”’	ðŸ”’	ðŸ”’	ðŸ”’	ðŸ”’	ðŸ”’	162	ðŸ”’	ðŸ”’	ðŸ”’	ðŸ”’	ðŸ”’	ðŸ”’	ðŸ”’	ðŸ”’	ðŸ”’	ðŸ”’	ðŸ”’	ðŸ”’	ðŸ”’	ðŸ”’	ðŸ”’	ðŸ”’
Avg:	College - 162 Inning avg		College				ðŸ”’	ðŸ”’	ðŸ”’	ðŸ”’	ðŸ”’	ðŸ”’	ðŸ”’	ðŸ”’	ðŸ”’	ðŸ”’	162	ðŸ”’	ðŸ”’	ðŸ”’	ðŸ”’	ðŸ”’	ðŸ”’	ðŸ”’	ðŸ”’	ðŸ”’	ðŸ”’	ðŸ”’	ðŸ”’	ðŸ”’	ðŸ”’	ðŸ”’	ðŸ”’

Other Pitching Statistics

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year	team name	league	category	age	w	l	era	g	gs	cg	sho	gr	gf	sv	ip	h	r	er	hr	bb	so	wp	bk	hb	whip	h9	hr9	bb9	so9	ra9	so/bb
2023	Hyannis Harbor Hawks	Cape Cod League	College Summer	19	1	0	3.24	6	0	0	0	6	0	1	8.1	3	3	3	0	5	15	2	0	0	0.96	3.24	0.00	5.40	16.20	3.24	3.00
Tot:	CollegeSummer (1 Yrs)		CollegeSummer		1	0	3.24	6	0	0	0	0	6	1	8.1	3	3	3	0	5	15	2	0	0	0.96	3.24	0.00	5.40	16.20	3.24	3.00

Strikeouts	Walks	Hittable	SO/BB	vs Power	Durability	Team Success
87	26	88	49	88	92	.000

Prospect Rankings

Scouting Grades

Pitching Statistics

Other Pitching Statistics

Talent Ratings