Riley Cornelio

Riley Cornelio [Riley John Thomas Cornelio] is currently active in the Major Leagues with the Washington Nationals. Ranked by Baseball America as the Washington Nationals No. 25 MLB prospect in 2026 pre-season Prospect rankings. Cornelio is 26 years old and was born on June 6th, 2000 in Honolulu, Hawaii. He attended high school in Colorado Springs, Colorado where he played for the Pine Creek Eagles. He played 3 years of NCAA Division I College Baseball for the Texas Christian University Horned Frogs [Big 12 Conference]. Participated in the D1 NCAA Tournament in 2021 [Regionals] and 2022 [Regionals]. He was drafted and signed in the 7th round (201st overall) of the 2022 Major League Baseball Amateur Draft by the Washington Nationals, receiving a $241,600 signing bonus. Made his Major League Debut on April 24th, 2026 at the age ...

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of 25. Debuted as a relief pitcher for Washington Nationals against the Chicago White Sox, throwing 2 innings, allowing 3 runs, 4 walks and striking out 1 batters. His most frequent teammate throughout his career, based on statistics listed below was Elijah Nunez [5 seasons]. Cornelio has played 4 seasons with the Washington Nationals organization. He played collegiate summer league baseball in the Northwoods League for the St. Cloud Rox and in the Texas Collegiate League for the Frisco RoughRiders. Led the South Atlantic League (A+) with 9 Wins, 11 Losses, 26 Games Started, a 126.99998474121 Innings PItched, 128 Hits Allowed, 84 Runs Allowed, 78 Earned Runs Allowed and 65 Walks Allowed in 2024.

Career Notes: Participated in Under Armour All-America Game in 2018. Gatorade Player of the Year for Colorado in 2019.

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2026

Baseball America

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Washington Nationals

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1 record(s)

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1 record(s)

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Yearly Summary

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year	team name	league	level	mlb	#	age	tbc+	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
2020	Texas Christian	Big12	NCAA-1	Fr	15	20	105	1	0	0.87	4	3	0	0	1	0	0	10.1	3	3	1	0	7	6	1	0	0	0.97	2.61	0.00	6.10	5.23	2.61	0.86
2021	Texas Christian	Big12	NCAA-1	Fr	15	21		1	1	4.91	5	2	0	0	3	0	0	7.1	6	4	4	0	3	7	1	0	2	1.23	7.36	0.00	3.68	8.59	4.91	2.33
2022	Texas Christian	Big12	NCAA-1	So	15	22	110	4	5	4.68	15	15	0	0	0	0	0	75.0	63	46	39	13	35	77	7	1	4	1.31	7.56	1.56	4.20	9.24	5.52	2.20
2023	Fredericksburg Nationals	Caro2	A	WAS	15	23	87	4	8	4.68	22	22	0	0	0	0	0	92.1	108	66	48	4	49	86	6	2	4	1.70	10.53	0.39	4.78	8.38	6.43	1.76
2024	Wilmington Blue Rocks	SAL2	A+	WAS	28	24	87	9	11	5.56	26	26	0	0	0	0	0	126.1	128	84	78	15	65	114	13	2	3	1.53	9.12	1.07	4.63	8.12	5.98	1.75
2025	Wilmington Blue Rocks	SAL2	A+	WAS	37	25	108	1	2	3.03	7	7	0	0	0	0	0	32.2	25	15	11	2	16	39	2	0	1	1.26	6.89	0.55	4.41	10.74	4.13	2.44
2025	Harrisburg Senators	East2	AA	WAS	29,17	25	120	4	2	2.31	12	11	0	0	1	0	0	66.1	39	18	17	3	26	58	3	0	1	0.98	5.29	0.41	3.53	7.87	2.44	2.23
2025	Rochester Red Wings	IL2	AAA	WAS	52	25	106	1	3	5.35	8	8	0	0	0	0	0	35.1	35	22	21	6	13	38	2	0	0	1.36	8.92	1.53	3.31	9.68	5.60	2.92
2026	Rochester Red Wings	IL2	AAA	WAS	52	26	119	6	1	3.68	22	9	0	0	13	1	0	66.0	50	28	27	8	30	103	2	0	2	1.21	6.82	1.09	4.09	14.05	3.82	3.43
2026	Washington Nationals	NL	MLB	WAS	74	26		3	2	3.68	18	3	0	0	15	3	0	36.2	26	22	15	2	29	40	2	0	0	1.50	6.38	0.49	7.12	9.82	5.40	1.38
Tot:	MLB (1 yrs)		MLB					3	2	3.68	18	3	0	0	15	3	0	36.2	26	22	15	2	29	40	2	0	0	1.50	6.38	0.49	7.12	9.82	5.40	1.38
Tot:	NL (1 yrs)		NL					3	2	3.68	18	3	0	0	15	3	0	36.2	26	22	15	2	29	40	2	0	0	1.50	6.38	0.49	7.12	9.82	5.40	1.38
Tot:	Minors (4 yrs)		Minors					25	27	4.34	97	83	0	0	14	1	0	419.0	385	233	202	38	199	438	28	4	11	1.39	8.27	0.82	4.27	9.41	5.00	2.20
Tot:	A (1 yrs)		A					4	8	4.68	22	22	0	0	0	0	0	92.1	108	66	48	4	49	86	6	2	4	1.70	10.53	0.39	4.78	8.38	6.43	1.76
Tot:	A+ (2 yrs)		A+					10	13	5.04	33	33	0	0	0	0	0	159.0	153	99	89	17	81	153	15	2	4	1.47	8.66	0.96	4.58	8.66	5.60	1.89
Tot:	AA (1 yrs)		AA					4	2	2.31	12	11	0	0	1	0	0	66.1	39	18	17	3	26	58	3	0	1	0.98	5.29	0.41	3.53	7.87	2.44	2.23
Tot:	AAA (2 yrs)		AAA					7	4	4.26	30	17	0	0	13	1	0	101.1	85	50	48	14	43	141	4	0	2	1.26	7.55	1.24	3.82	12.52	4.44	3.28
Tot:	College (3 yrs)		College					6	6	4.27	24	20	0	0	4	0	0	92.2	72	53	44	13	45	90	9	1	6	1.26	6.99	1.26	4.37	8.74	5.15	2.00
Avg:	MLB - 162 Inning avg		MLB					🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	162	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒
Avg:	Minors - 162 Inning avg		Minors					🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	162	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒
Avg:	College - 162 Inning avg		College					🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	162	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒	🔒

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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
2018	Team USA 18u	Intl Competition	USA	18	1	0	1.29	2	1	0	0	1	0	0	7.0	5	1	1	0	2	4	1	0	0	1.00	6.43	0.00	2.57	5.14	1.29	2.00
2020	Frisco RoughRiders	Texas Collegiate League	College Summer	20	0	1	11.25	2	2	0	0	0	0	0	4.0	5	5	5	0	5	3	0	0	0	2.50	11.25	0.00	11.25	6.75	11.25	0.60
2021	St. Cloud Rox	Northwoods League	College Summer	21	2	2	3.00	9	7	0	0	2	0	0	33.0	33	13	11	1	15	44	2	0	1	1.45	9.00	0.27	4.09	12.00	3.55	2.93
Tot:	CollegeSummer (2 Yrs)		CollegeSummer		2	3	3.89	11	9	0	0	0	2	0	37.0	38	18	16	1	20	47	2	0	1	1.57	9.24	0.24	4.86	11.43	4.38	2.35
Tot:	USA (1 Yrs)		USA		1	0	1.29	2	1	0	0	0	1	0	7.0	5	1	1	0	2	4	1	0	0	1.00	6.43	0.00	2.57	5.14	1.29	2.00

Strikeouts	Walks	Hittable	SO/BB	vs Power	Durability	Team Success
43	52	51	48	51	74	.693

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