Jonathan Loáisiga

Position: Relief Pitcher

Bats: Right • Throws: Right

5-11, 195lb (180cm, 88kg)

Team: Arizona Diamondbacks (majors)

Born: November 2, 1994 in Managua, Nicaragua ni

Rookie Status: Exceeded rookie limits during 2019 season

2026 Contract Status: Free Agent

Service Time (01/2026): 7.022 • Free Agent: 2026

Agents: ISE Baseball

Full Name: Jonathan Stanley Loaisiga

Nicknames: Jonny Lasagna

Pronunciation: \loh-AYE-see-gah\

View Player Info from the B-R Bullpen

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SUMMARY

2026

Career

WAR

0.9

5.1

ERA

2.36

3.39

230

34.1

283.2

254

WHIP

1.049

1.234

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Year	Age	AgeDif	Tm	Lg	Lev	Aff	W	L	W-L%	ERA	RA9	G	GS	GF	CG	SHO	SV	IP	H	R	ER	HR	BB	IBB	SO	HBP	BK	WP	BF	WHIP	H9	HR9	BB9	SO9	SO/W
2013	18	-0.8	Giants	DOSL	FRk	SFG	8	1	.889	2.75	3.80	13	13	0	0	0	0	68.2	60	29	21	4	16	0	40	2	0	6	274	1.107	7.9	0.5	2.1	5.2	2.50

2016	21	-0.8	Charleston	SALL	A	NYY	0	0		7.71	7.71	1	1	0	0	0	0	2.1	2	2	2	1	1	0	2	0	0	0	10	1.286	7.7	3.9	3.9	7.7	2.00
2016	21	-5.8	Nicaragua	WBCQ	WBC		1	0	1.000	0.00	7.71	2	0	1	0	0	0	2.1	2	2	0	0	1	0	4	0	0	0	10	1.286	7.7	0.0	3.9	15.4	4.00
2017	22		3 Teams	2 Lgs	A--Rk	NYY	1	1	.500	1.38	1.93	11	11	0	0	0	0	32.2	17	7	5	1	3	0	33	1	0	1	120	0.612	4.7	0.3	0.8	9.1	11.00
2017	22	0.7	Staten Island	NYPL	A-	NYY	1	0	1.000	0.53	1.06	4	4	0	0	0	0	17.0	7	2	1	0	1	0	18	1	0	1	61	0.471	3.7	0.0	0.5	9.5	18.00
2017	22	1.6	Yankees East	GULF	Rk	NYY	0	1	.000	2.63	3.29	6	6	0	0	0	0	13.2	10	5	4	1	2	0	15	0	0	0	53	0.878	6.6	0.7	1.3	9.9	7.50
2017	22	1.6	Yankees West	GULF	Rk	NYY	0	0		0.00	0.00	1	1	0	0	0	0	2.0	0	0	0	0	0	0	0	0	0	0	6	0.000	0.0	0.0	0.0	0.0
2018	23		3 Teams	3 Lgs	AA-A+-Rk	NYY	6	1	.857	2.89	2.89	14	14	0	0	0	0	56.0	57	18	18	6	8	0	67	4	0	3	229	1.161	9.2	1.0	1.3	10.8	8.38
2018	23	-1.4	Trenton	EL	AA	NYY	3	1	.750	3.93	3.93	9	9	0	0	0	0	34.1	37	15	15	6	6	0	40	2	0	1	141	1.252	9.7	1.6	1.6	10.5	6.67
2018	23	0.0	Tampa	FLOR	A+	NYY	3	0	1.000	1.35	1.35	4	4	0	0	0	0	20.0	19	3	3	0	1	0	26	1	0	2	80	1.000	8.6	0.0	0.5	11.7	26.00
2018	23	2.6	Yankees West	GULF	Rk	NYY	0	0		0.00	0.00	1	1	0	0	0	0	1.2	1	0	0	0	1	0	1	1	0	0	8	1.200	5.4	0.0	5.4	5.4	1.00
2018	23	-5.6	NYY	AL	Maj	NYY	2	0	1.000	5.11	6.20	9	4	2	0	0	0	24.2	26	17	14	3	12	0	33	0	0	0	108	1.541	9.5	1.1	4.4	12.0	2.75
2019	24		2 Teams	2 Lgs	AAA-AA	NYY	0	2	.000	5.60	5.60	6	5	0	0	0	0	17.2	15	11	11	3	5	0	22	2	0	3	75	1.132	7.6	1.5	2.5	11.2	4.40
2019	24	-2.2	Scranton/Wilkes-Barre	IL	AAA	NYY	0	2	.000	6.32	6.32	5	4	0	0	0	0	15.2	14	11	11	3	5	0	19	1	0	2	68	1.213	8.0	1.7	2.9	10.9	3.80
2019	24	-0.3	Trenton	EL	AA	NYY	0	0		0.00	0.00	1	1	0	0	0	0	2.0	1	0	0	0	0	0	3	1	0	1	7	0.500	4.5	0.0	0.0	13.5
2019	24	-4.4	NYY	AL	Maj	NYY	2	2	.500	4.55	4.55	15	4	3	0	0	0	31.2	31	16	16	6	16	0	37	1	0	1	139	1.484	8.8	1.7	4.5	10.5	2.31
2020	25	-3.2	NYY	AL	Maj	NYY	3	0	1.000	3.52	4.30	12	3	2	0	0	0	23.0	21	11	9	3	7	1	22	4	0	1	100	1.217	8.2	1.2	2.7	8.6	3.14
2021	26	-2.5	NYY	AL	Maj	NYY	9	4	.692	2.17	2.42	57	0	8	0	0	5	70.2	56	19	17	3	16	0	69	3	1	4	283	1.019	7.1	0.4	2.0	8.8	4.31
2022	27		2 Teams	2 Lgs	AAA-A	NYY	0	0		4.50	4.50	2	1	0	0	0	0	2.0	3	1	1	0	0	0	3	0	0	0	9	1.500	13.5	0.0	0.0	13.5
2022	27	0.0	Scranton/Wilkes-Barre	IL	AAA	NYY	0	0		9.00	9.00	1	0	0	0	0	0	1.0	3	1	1	0	0	0	2	0	0	0	6	3.000	27.0	0.0	0.0	18.0
2022	27	5.0	Tampa	FLOR	A	NYY	0	0		0.00	0.00	1	1	0	0	0	0	1.0	0	0	0	0	0	0	1	0	0	0	3	0.000	0.0	0.0	0.0	9.0
2022	27	-1.4	NYY	AL	Maj	NYY	2	3	.400	4.13	4.69	50	0	9	0	0	2	48.0	43	25	22	3	19	1	37	0	0	0	203	1.292	8.1	0.6	3.6	6.9	1.95
2023	28		2 Teams	2 Lgs	AAA-A	NYY	1	0	1.000	4.50	4.50	3	0	0	0	0	0	4.0	4	2	2	0	0	0	5	0	0	0	16	1.000	9.0	0.0	0.0	11.3
2023	28	1.1	Scranton/Wilkes-Barre	IL	AAA	NYY	0	0		9.00	9.00	2	0	0	0	0	0	2.0	4	2	2	0	0	0	3	0	0	0	10	2.000	18.0	0.0	0.0	13.5
2023	28	5.8	Tampa	FLOR	A	NYY	1	0	1.000	0.00	0.00	1	0	0	0	0	0	2.0	0	0	0	0	0	0	2	0	0	0	6	0.000	0.0	0.0	0.0	9.0
2023	28	-0.7	NYY	AL	Maj	NYY	0	2	.000	3.06	3.57	17	0	4	0	0	0	17.2	14	7	6	2	1	1	6	2	0	0	69	0.849	7.1	1.0	0.5	3.1	6.00
2023	28	-0.4	Nicaragua	WBC	WBC		0	1	.000	13.50	13.50	2	0	1	0	0	0	2.0	3	3	3	0	1	1	0	1	0	0	11	2.000	13.5	0.0	4.5	0.0	0.00
2024	29	0.0	NYY	AL	Maj	NYY	1	0	1.000	0.00	0.00	3	0	0	0	0	0	4.0	7	0	0	0	1	0	3	0	0	0	20	2.000	15.8	0.0	2.3	6.8	3.00
2025	30		2 Teams	2 Lgs	AAA-A	NYY	0	0		1.08	1.08	7	1	0	0	0	0	8.1	4	1	1	0	1	0	10	0	0	0	29	0.600	4.3	0.0	1.1	10.8	10.00
2025	30	2.7	Scranton/Wilkes-Barre	IL	AAA	NYY	0	0		0.00	0.00	4	0	0	0	0	0	5.0	2	0	0	0	1	0	3	0	0	0	17	0.600	3.6	0.0	1.8	5.4	3.00
2025	30	8.0	Tampa	FLOR	A	NYY	0	0		2.70	2.70	3	1	0	0	0	0	3.1	2	1	1	0	0	0	7	0	0	0	12	0.600	5.4	0.0	0.0	18.9
2025	30	0.8	NYY	AL	Maj	NYY	0	1	.000	4.25	4.55	30	0	3	0	0	1	29.2	34	15	14	7	10	3	25	3	0	1	135	1.483	10.3	2.1	3.0	7.6	2.50
2026	31	1.7	ARI	NL	Maj	ARI	2	2	.500	2.36	2.62	37	0	10	0	0	1	34.1	29	10	9	1	7	2	22	1	0	0	135	1.049	7.6	0.3	1.8	5.8	3.14
Year	Age	AgeDif	Tm	Lg	Lev	Aff	W	L	W-L%	ERA	RA9	G	GS	GF	CG	SHO	SV	IP	H	R	ER	HR	BB	IBB	SO	HBP	BK	WP	BF	WHIP	H9	HR9	BB9	SO9	SO/W
Majors (9 seasons)					Majors		21	14	.600	3.39	3.81	230	11	41	0	0	9	283.2	261	120	107	28	89	8	254	14	1	7	1192	1.234	8.3	0.9	2.8	8.1	2.85
Minors (8 seasons)					Minors		16	5	.762	2.86	3.33	57	46	0	0	0	0	191.2	162	71	61	15	34	0	182	9	0	13	762	1.023	7.6	0.7	1.6	8.5	5.35
Other (2 seasons)					Other		1	1	.500	6.23	10.38	4	0	2	0	0	0	4.1	5	5	3	0	2	1	4	1	0	0	21	1.615	10.4	0.0	4.2	8.3	2.00
All Levels (12 Seasons)							38	20	.655	3.21	3.68	291	57	43	0	0	9	479.2	428	196	171	43	125	9	440	24	1	20	1975	1.153	8.0	0.8	2.3	8.3	3.52

AAA (4 seasons)					Minors		0	2	.000	5.32	5.32	12	4	0	0	0	0	23.2	23	14	14	3	6	0	27	1	0	2	101	1.225	8.7	1.1	2.3	10.3	4.50
AA (2 seasons)					Minors		3	1	.750	3.72	3.72	10	10	0	0	0	0	36.1	38	15	15	6	6	0	43	3	0	2	148	1.211	9.4	1.5	1.5	10.7	7.17
A+ (1 season)					Minors		3	0	1.000	1.35	1.35	4	4	0	0	0	0	20.0	19	3	3	0	1	0	26	1	0	2	80	1.000	8.6	0.0	0.5	11.7	26.00
A (4 seasons)					Minors		1	0	1.000	3.12	3.12	6	3	0	0	0	0	8.2	4	3	3	1	1	0	12	0	0	0	31	0.577	4.2	1.0	1.0	12.5	12.00
A- (1 season)					Minors		1	0	1.000	0.53	1.06	4	4	0	0	0	0	17.0	7	2	1	0	1	0	18	1	0	1	61	0.471	3.7	0.0	0.5	9.5	18.00
Rk (2 seasons)					Minors		0	1	.000	2.08	2.60	8	8	0	0	0	0	17.1	11	5	4	1	3	0	16	1	0	0	67	0.808	5.7	0.5	1.6	8.3	5.33
FRk (1 season)					Minors		8	1	.889	2.75	3.80	13	13	0	0	0	0	68.2	60	29	21	4	16	0	40	2	0	6	274	1.107	7.9	0.5	2.1	5.2	2.50