Thyago Vieira

Position: Pitcher

Bats: Right • Throws: Right

6-3, 259lb (190cm, 117kg)

Team: Arizona Diamondbacks (minors, restricted list)

Born: January 7, 1993 in Sao Paulo, Brazil br

Rookie Status: Exceeded rookie limits during 2019 season

2024 Contract Status: Signed thru 2024, 1 yr/$778k (24)

Service Time (01/2024): 0.110 • Arb Eligible: 2027 • Free Agent: 2030

Full Name: Thyago da Silva Vieira

Nicknames: Negs

Pronunciation: \tea-AH-go vee-AIR-uh\

View Player Info from the B-R Bullpen

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SUMMARY

2024

Career

WAR

0.0

-0.1

ERA

5.21

5.81

38.0

66.2

WHIP

1.658

1.650

Prospect Rankings

Player News

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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
2011	18	-0.7	Mariners	VESL	FRk	SEA	2	0	1.000	4.00	5.50	12	2	4	0	0	0	18.0	20	11	8	0	22	2	8	1	1	8	93	2.333	10.0	0.0	11.0	4.0	0.36
2012	19	0.6	Mariners	VESL	FRk	SEA	3	5	.375	6.05	6.55	13	13	0	0	0	0	55.0	67	40	37	2	17	0	35	12	0	12	249	1.527	11.0	0.3	2.8	5.7	2.06
2013	20	-1.4	Everett	NORW	A-	SEA	4	5	.444	3.84	3.97	14	13	0	0	0	0	68.0	60	30	29	2	34	0	51	16	1	8	303	1.382	7.9	0.3	4.5	6.8	1.50
2014	21	-0.9	Clinton	MIDW	A	SEA	1	1	.500	5.23	5.23	13	0	9	0	0	1	20.2	16	12	12	1	14	0	23	2	0	4	88	1.452	7.0	0.4	6.1	10.0	1.64
2015	22	0.1	Clinton	MIDW	A	SEA	1	4	.200	6.97	9.29	22	0	9	0	0	0	31.0	35	32	24	2	20	0	22	4	0	9	152	1.774	10.2	0.6	5.8	6.4	1.10
2016	23	-0.1	Bakersfield	CALL	A+	SEA	1	0	1.000	2.84	3.86	34	0	26	0	0	8	44.1	37	19	14	1	18	0	53	2	0	9	189	1.241	7.5	0.2	3.7	10.8	2.94
2016	23	0.0	Peoria	AZFL	Fal		0	1	.000	3.38	3.38	5	0	3	0	0	0	5.1	4	2	2	0	1	0	7	0	0	1	21	0.938	6.8	0.0	1.7	11.8	7.00
2017	24		2 Teams	2 Lgs	AA-AAA	SEA	2	4	.333	4.00	4.50	41	0	29	0	0	4	54.0	48	27	24	2	22	0	46	3	2	12	229	1.296	8.0	0.3	3.7	7.7	2.09
2017	24	-2.6	Tacoma	PCL	AAA	SEA	0	1	.000	4.58	4.58	12	0	7	0	0	2	17.2	18	9	9	1	7	0	11	1	1	8	77	1.415	9.2	0.5	3.6	5.6	1.57
2017	24	-0.1	Arkansas	TL	AA	SEA	2	3	.400	3.72	4.46	29	0	22	0	0	2	36.1	30	18	15	1	15	0	35	2	1	4	152	1.239	7.4	0.2	3.7	8.7	2.33
2017	24	-4.6	SEA	AL	Maj	SEA	0	0		0.00	0.00	1	0	1	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
2018	25	-1.2	Charlotte	IL	AAA	CHW	0	4	.000	5.05	5.49	36	0	20	0	0	6	41.0	40	25	23	2	24	0	50	4	1	13	189	1.561	8.8	0.4	5.3	11.0	2.08
2018	25	-3.6	CHW	AL	Maj	CHW	1	1	.500	7.13	7.13	16	0	9	0	0	1	17.2	21	14	14	4	9	0	15	3	1	6	85	1.698	10.7	2.0	4.6	7.6	1.67
2019	26	-0.2	Charlotte	IL	AAA	CHW	6	4	.600	5.70	6.27	39	0	31	0	0	8	47.1	53	33	30	7	22	0	51	4	1	5	213	1.585	10.1	1.3	4.2	9.7	2.32
2019	26	-2.4	CHW	AL	Maj	CHW	1	0	1.000	9.00	10.29	6	0	2	0	0	0	7.0	11	8	7	0	5	0	8	0	0	0	37	2.286	14.1	0.0	6.4	10.3	1.60
2020	27		2 Teams	2 Lgs	Fgn		0	1	.000	2.70	2.70	43			0	0	5	40.0	37	12	12	3	19	1	46	4	0	2	177	1.400	8.3	0.7	4.3	10.4	2.42
2020	27	-0.5	Yomiuri	JPCL	Fgn		0	1	.000	3.28	3.28	27			0	0	0	24.2	27	9	9	3	17	1	29	2	0	1	118	1.784	9.9	1.1	6.2	10.6	1.71
2020	27	1.2	Yomiuri	JPEL	Fgn		0	0		1.76	1.76	16			0	0	5	15.1	10	3	3	0	2	0	17	2	0	1	59	0.783	5.9	0.0	1.2	10.0	8.50
2021	28		2 Teams	2 Lgs	Fgn		0	3	.000	2.78	2.78	59			0	0	20	58.1	40	18	18	3	27	0	68	1	0	0	240	1.149	6.2	0.5	4.2	10.5	2.52
2021	28	0.8	Yomiuri	JPCL	Fgn		0	3	.000	2.93	2.93	56			0	0	19	55.1	38	18	18	3	26	0	64	1	0	0	228	1.157	6.2	0.5	4.2	10.4	2.46
2021	28	2.7	Yomiuri	JPEL	Fgn		0	0		0.00	0.00	3			0	0	1	3.0	2	0	0	0	1	0	4	0	0	0	12	1.000	6.0	0.0	3.0	12.0	4.00
2022	29		2 Teams	2 Lgs	Fgn		0	2	.000	3.29	3.62	29			0	0	2	27.1	21	11	10	4	15	0	36	1	0	1	114	1.317	6.9	1.3	4.9	11.9	2.40
2022	29	4.0	Yomiuri	JPEL	Fgn		0	0		0.90	0.90	20			0	0	2	20.0	12	2	2	1	7	0	28	0	0	1	75	0.950	5.4	0.5	3.2	12.6	4.00
2022	29	1.8	Yomiuri	JPCL	Fgn		0	2	.000	9.82	11.05	9			0	0	0	7.1	9	9	8	3	8	0	8	1	0	0	39	2.318	11.0	3.7	9.8	9.8	1.00
2023	30	3.1	Nashville	IL	AAA	MIL	2	2	.500	3.35	4.06	33	0	23	0	0	8	37.2	31	17	14	3	15	0	51	3	0	2	161	1.221	7.4	0.7	3.6	12.2	3.40
2023	30	0.8	MIL	NL	Maj	MIL	0	1	.000	0.00	3.00	2	0	2	0	0	0	3.0	0	1	0	0	1	0	2	0	0	0	10	0.333	0.0	0.0	3.0	6.0	2.00
2024	31		3 Teams	2 Lgs	Maj	MIL-ARI-BAL	0	1	.000	5.21	5.45	28	0	13	0	0	1	38.0	37	23	22	8	26	1	39	2	1	3	177	1.658	8.8	1.9	6.2	9.2	1.50
2024	31	1.9	MIL	NL	Maj	MIL	0	0		5.64	5.64	16	0	9	0	0	1	22.1	25	14	14	6	13	1	25	2	0	0	106	1.701	10.1	2.4	5.2	10.1	1.92
2024	31	1.9	BAL	AL	Maj	BAL	0	0		inf	inf	1	0	0	0	0	0	0.0	1	3	3	0	4	0	0	0	0	1	5						0.00
2024	31	1.9	ARI	NL	Maj	ARI	0	1	.000	2.87	3.45	11	0	4	0	0	0	15.2	11	6	5	2	9	0	14	0	1	2	66	1.277	6.3	1.1	5.2	8.0	1.56
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 (5 seasons)					Majors		2	3	.400	5.81	6.21	53	0	27	0	0	2	66.2	69	46	43	12	41	1	65	5	2	9	312	1.650	9.3	1.6	5.5	8.8	1.59
Minors (10 seasons)					Minors		22	29	.431	4.64	5.31	257	28	151	0	0	35	417.0	407	246	215	22	208	2	390	51	6	82	1866	1.475	8.8	0.5	4.5	8.4	1.88
Foreign (3 seasons)					Foreign		0	6	.000	2.86	2.94	131			0	0	27	125.2	98	41	40	10	61	1	150	6	0	3	531	1.265	7.0	0.7	4.4	10.7	2.46
NPB (3 seasons)					NPB		0	6	.000	3.61	3.71	92			0	0	19	87.1	74	36	35	9	51	1	101	4	0	1	385	1.431	7.6	0.9	5.3	10.4	1.98
Other (1 season)					Other		0	1	.000	3.38	3.38	5	0	3	0	0	0	5.1	4	2	2	0	1	0	7	0	0	1	21	0.938	6.8	0.0	1.7	11.8	7.00
All Levels (14 Seasons)							24	39	.381	4.39	4.91	446	28	181	0	0	64	614.2	578	335	300	44	311	4	612	62	8	95	2730	1.446	8.5	0.6	4.6	9.0	1.97

AAA (4 seasons)					Minors		8	11	.421	4.76	5.26	120	0	81	0	0	24	143.2	142	84	76	13	68	0	163	12	3	28	640	1.462	8.9	0.8	4.3	10.2	2.40
AA (1 season)					Minors		2	3	.400	3.72	4.46	29	0	22	0	0	2	36.1	30	18	15	1	15	0	35	2	1	4	152	1.239	7.4	0.2	3.7	8.7	2.33
A+ (1 season)					Minors		1	0	1.000	2.84	3.86	34	0	26	0	0	8	44.1	37	19	14	1	18	0	53	2	0	9	189	1.241	7.5	0.2	3.7	10.8	2.94
A (2 seasons)					Minors		2	5	.286	6.27	7.66	35	0	18	0	0	1	51.2	51	44	36	3	34	0	45	6	0	13	240	1.645	8.9	0.5	5.9	7.8	1.32
A- (1 season)					Minors		4	5	.444	3.84	3.97	14	13	0	0	0	0	68.0	60	30	29	2	34	0	51	16	1	8	303	1.382	7.9	0.3	4.5	6.8	1.50
FRk (2 seasons)					Minors		5	5	.500	5.55	6.29	25	15	4	0	0	0	73.0	87	51	45	2	39	2	43	13	1	20	342	1.726	10.7	0.2	4.8	5.3	1.10