Mason Thompson

Position: Pitcher

Bats: Right • Throws: Right

6-6, 241lb (198cm, 109kg)

Team: Washington Nationals (majors, 60-day IL)

Born: February 20, 1998 in Round Rock, TX us

Draft: Drafted by the San Diego Padres in the 3rd round of the 2016 MLB June Amateur Draft from Round Rock HS (Round Rock, TX).

High School: Round Rock HS (Round Rock, TX)

Debut: June 22, 2021 (Age 23-122d, 22,416th in major league history)
vs. LAD 0.1 IP, 0 H, 0 SO, 1 BB, 0 ER

Rookie Status: Exceeded rookie limits during 2021 season

2024 Contract Status: Pre-Arb Eligible

Service Time (01/2024): 2.046 • Arb Eligible: 2025 • Free Agent: 2028

National Team: us USA (15U)

Full Name: Mason Lane Thompson

Twitter: @MasonThompson22

Instagram: @mason_thompson22

View Player Info from the B-R Bullpen

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SUMMARY

Career

WAR

0.0

ERA

4.53

106

103.1

WHIP

1.539

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Team Record in Appearances: 12-19

Days of Rest

Inning/Score Appearance Matrix

Multiple inning appearances: 5, Entered with runners on base: 12

2021 Pitching Game Log

Click two rows to sum games (Clear)

2021 Pitching Game Log
Rk	Gcar	Gtm	Date	Tm		Opp	Rslt	Inngs	Dec	DR	IP	H	R	ER	BB	SO	HR	HBP	ERA	FIP	BF	Pit	Str	StL	StS	GB	FB	LD	PU	Unk	GSc	IR	IS	SB	CS	PO	AB	2B	3B	IBB	GDP	SF	ROE	aLI	WPA	acLI	cWPA	RE24	DFS(DK)	DFS(FD)	Entered	Exited
1	1	76	Jun 22	SDP		LAD	W,3-2	8-8	H(1)	99	0.1	0	0	0	1	0	0	0	0.00	12.17	2	10	5	2	1	1	0	0	0	0		1	0	0	0	0	1	0	0	0	0	0	0	1.78	0.033	2.51	0.03%	0.22			8t 1-- 2 out a2	8t 3 out a2
2	2	78	Jun 25	SDP		ARI	W,11-5	9-GF		2	1.0	1	0	0	0	1	0	0	0.00	3.92	4	12	10	3	2	1	2	1	0	0		0	0	0	0	0	4	0	0	0	0	0	0	.07	0.002	.08	0.00%	0.47			9t --- 0 out a6	9t end a 6
3	3	79	Jun 26	SDP		ARI	L,1-10	3-3		0	0.2	0	0	0	0	0	0	0	0.00	3.67	1	3	2	0	0	1	0	0	0	0		1	0	0	0	0	1	0	0	0	1	0	0	.47	0.020	.55	0.01%	0.50			3t 1-- 1 out d4	3t 3 out d4
Jul				Tm		Opp	Rslt	Inngs	Dec	DR	IP	H	R	ER	BB	SO	HR	HBP	ERA	FIP	BF	Pit	Str	StL	StS	GB	FB	LD	PU	Unk	GSc	IR	IS	SB	CS	PO	AB	2B	3B	IBB	GDP	SF	ROE	aLI	WPA	acLI	cWPA	RE24	DFS(DK)	DFS(FD)	Entered	Exited
4	4	83	Jul 1	SDP	@	CIN	L,4-5	5-5		4	1.0	3	1	1	0	1	0	0	3.00	2.84	6			4	2	2	3	1	1	0		0	0	1	0	0	6	1	0	0	0	0	0	.98	-0.064	1.25	-0.05%	-0.44			5b --- 0 out d1	5b 3 out d2
Aug				Tm		Opp	Rslt	Inngs	Dec	DR	IP	H	R	ER	BB	SO	HR	HBP	ERA	FIP	BF	Pit	Str	StL	StS	GB	FB	LD	PU	Unk	GSc	IR	IS	SB	CS	PO	AB	2B	3B	IBB	GDP	SF	ROE	aLI	WPA	acLI	cWPA	RE24	DFS(DK)	DFS(FD)	Entered	Exited
				Player went from San Diego Padres to Washington Nationals
5	5	106	Aug 2	WSN		PHI	L,5-7	6-6		31	1.0	2	0	0	1	1	0	0	2.25	3.17	6			4	1	3	1	1	0	0		0	0	0	0	0	5	0	0	0	0	0	0	1.32	0.054	.80	0.02%	0.49			6t --- 0 out d1	6t 3 out d1
6	6	109	Aug 5	WSN		PHI	L,6-7	8-8	H(2)	2	0.2	1	0	0	0	1	0	0	1.93	2.74	3			2	1	0	2	1	1	0		0	0	0	0	0	3	0	0	0	0	0	0	1.37	0.036	.43	0.01%	0.26			8t --- 1 out a2	8t 3 out a2
7	7	111	Aug 7	WSN	@	ATL	W,3-2	6-6		1	1.0	1	0	0	0	2	0	0	1.59	2.11	4			3	3	1	1	1	0	0		0	0	0	0	0	4	0	0	0	0	0	0	.43	0.032	.07	0.00%	0.53			6b --- 0 out d2	6b 3 out d2
8	8	113	Aug 10 susp	WSN	@	NYM	L,7-8	8-GF(8)	BL(0-1)	2	1.0	3	2	1	0	0	0	0	2.70	2.27	7	21	13	0	0	3	4	3	1	0		0	0	0	0	0	6	1	0	0	0	0	0	1.94	-0.540	.27	-0.05%	-1.51			8b --- 0 out a1	8b end d 1
9	9	116	Aug 13	WSN		ATL	L,2-4	7-7		2	1.0	0	0	0	1	1	0	0	2.35	2.52	4	14	6	1	0	1	1	0	0	0		1	0	0	0	0	3	0	0	0	0	0	0	1.38	0.090	.06	0.00%	0.87			7t 1-- 0 out d1	7t 3 out d1
10	10	118	Aug 15	WSN		ATL	L,5-6	7-7		1	1.0	0	0	0	0	0	0	0	2.08	2.59	4	15	8	1	1	2	2	0	0	0		0	0	0	0	0	4	0	0	0	0	0	1	.96	0.054	.01	0.00%	0.49			7t --- 0 out d1	7t 3 out d1
11	11	119	Aug 17	WSN		TOR	W,12-6	8-8		1	0.0	1	3	2	2	0	0	0	4.15	3.29	3	13	3	0	0	0	1	1	0	0		0	0	0	0	0	1	0	0	0	0	0	0	.59	-0.085	.00	0.00%	-1.83			8t --- 0 out a5	8t 123 0 out a5
12	12	120	Aug 18	WSN		TOR	W,8-5	7-7	W(1-1)	0	0.2	0	0	0	0	1	0	0	3.86	3.06	2	9	7	2	0	1	0	0	0	0		0	0	0	0	0	2	0	0	0	0	0	0	.60	0.030	.00	0.00%	0.26			7t --- 1 out d1	7t 3 out d1
13	13	121	Aug 20	WSN	@	MIL	W,4-1	7-8	H(3)	1	0.2	0	0	0	1	0	0	0	3.60	3.37	3			2	0	1	1	0	1	0		0	0	0	0	0	2	0	0	0	0	0	0	1.14	-0.036	.01	0.00%	-0.12			7b --- 1 out a2	8b 1-- 0 out a2
14	14	126	Aug 26	WSN	@	MIA	L,5-7	4-5		5	2.0	3	1	0	0	1	0	0	3.00	3.17	10	29	19	4	2	7	2	0	1	0		0	0	1	0	0	9	0	0	0	0	0	1	.17	-0.015	.00	0.00%	0.01			4b --- 0 out d6	5b 3 out d5
15	15	128	Aug 28	WSN	@	NYM	L,3-5	7-GF(8)	BS(2)	1	1.2	3	1	1	0	2	1	0	3.29	3.83	8	34	21	2	6	3	3	2	0	0		2	2	0	0	0	8	1	0	0	0	0	0	.75	-0.418	.00	0.00%	-1.61			7b 12- 1 out a1	8b end d 2
16	16	131	Aug 31	WSN		PHI	L,6-12	6-6		2	0.2	1	0	0	0	1	0	0	3.14	3.66	3			4	1	2	0	0	0	0		1	0	0	0	0	3	0	0	0	0	0	0	.36	0.015	.00	0.00%	0.51			6t 1-- 1 out d4	6t 3 out d4
Sep/Oct				Tm		Opp	Rslt	Inngs	Dec	DR	IP	H	R	ER	BB	SO	HR	HBP	ERA	FIP	BF	Pit	Str	StL	StS	GB	FB	LD	PU	Unk	GSc	IR	IS	SB	CS	PO	AB	2B	3B	IBB	GDP	SF	ROE	aLI	WPA	acLI	cWPA	RE24	DFS(DK)	DFS(FD)	Entered	Exited
17	17	132	Sep 2	WSN		PHI	L,6-7	6-6		1	0.0	1	1	1	2	0	0	0	3.77	4.08	3	13	3	2	0	0	1	1	0	0		2	2	0	0	0	1	1	0	0	0	0	0	1.00	-0.139	.00	0.00%	-3.00			6t 12- 1 out a6	6t 12- 1 out a3
18	18	136	Sep 5	WSN		NYM	L,6-13	6-7		2	2.0	0	0	0	2	1	0	0	3.31	4.21	7	20	11	6	0	4	0	0	0	0		0	0	1	0	0	5	0	0	0	1	0	0	1.77	0.161	.00	0.00%	0.97			6t --- 0 out tie	7t 3 out tie
19	19	139	Sep 8	WSN	@	ATL	W,4-2	5-5	H(4)	2	1.0	1	0	0	0	2	0	0	3.12	3.92	4	11	9	2	2	0	2	0	1	0		0	0	0	0	0	4	0	0	0	0	0	0	1.64	0.076	.00	0.00%	0.53			5b --- 0 out a1	5b 3 out a1
20	20	140	Sep 9	WSN	@	ATL	L,6-7	7-8		0	2.0	2	2	2	1	2	2	0	3.72	5.14	8			2	5	2	3	1	0	0		3	0	0	0	0	7	0	0	1	1	0	0	2.09	-0.193	.00	0.00%	0.91			7b 123 0 out tie	8b 3 out d1
21	21	143	Sep 12	WSN	@	PIT	W,6-2	8-8		2	0.1	1	0	0	1	1	0	0	3.66	5.15	3	17	8	6	0	1	0	0	0	0		0	0	0	0	0	2	0	0	0	0	0	0	.85	-0.033	.00	0.00%	-0.41			8b --- 0 out a4	8b 12- 1 out a4
22	22	146	Sep 15	WSN		MIA	L,6-8	7-7	BS(3)	2	0.2	1	0	0	0	0	0	0	3.54	5.09	2	6	3	0	0	2	0	0	0	0		2	1	0	0	0	2	0	0	0	1	0	0	3.18	0.060	.00	0.00%	0.39			7t -23 1 out a1	7t 3 out tie
23	23	147	Sep 17	WSN		COL	L,8-9	7-7		1	1.0	0	0	0	0	1	0	0	3.38	4.90	3			3	2	1	1	1	0	0		0	0	0	0	0	3	0	0	0	0	0	0	.72	0.054	.00	0.00%	0.49			7t --- 0 out d1	7t 3 out d1
24	24	149	Sep 19	WSN		COL	W,3-0	8-8	H(5)	1	0.2	2	0	0	0	0	0	0	3.27	4.85	4	13	7	2	0	2	2	1	0	0		0	0	0	0	0	4	1	0	0	0	0	0	.59	-0.002	.00	0.00%	0.00			8t --- 0 out a3	8t 1-3 2 out a3
25	25	151	Sep 21	WSN	@	MIA	W,7-1	9-GF		1	1.0	0	0	0	0	1	0	0	3.13	4.69	3	12	9	3	1	0	2	1	1	0		0	0	0	0	0	3	0	0	0	0	0	0	.04	0.003	.00	0.00%	0.51			9b --- 0 out a6	9b end a 6
26	26	153	Sep 23	WSN	@	CIN	W,3-2	7-7	H(6)	1	0.1	0	0	0	0	1	0	0	3.09	4.58	1			1	1	0	0	0	0	0		1	0	0	0	0	1	0	0	0	0	0	0	1.30	0.037	.00	0.00%	0.39			7b --3 2 out a3	7b 3 out a3
27	27	154	Sep 24	WSN	@	CIN	L,7-8	11-GF(11)	L(1-2)	0	0.0	1	1	0	0	0	0	0	3.09	4.58	1			0	0	1	0	0	0	0		0	0	0	0	0	1	0	0	0	0	0	0	2.49	-0.180	.00	0.00%	-0.76			11b -2- 0 out tie	11b end d 1
28	28	155	Sep 25	WSN	@	CIN	L,6-7	5-5		0	0.1	0	0	0	0	1	0	0	3.04	4.48	1	5	3	1	1	0	0	0	0	0		2	0	0	0	0	1	0	0	0	0	0	0	2.17	0.058	.00	0.00%	0.47			5b 12- 2 out tie	5b 3 out tie
29	29	157	Sep 27	WSN	@	COL	W,5-4	7-7	H(7)	1	1.0	1	0	0	1	1	0	0	2.92	4.47	5			3	3	0	3	2	0	0		0	0	0	0	0	4	0	0	0	0	0	0	2.55	0.115	.00	0.00%	0.58			7b --- 0 out a1	7b 3 out a1
30	30	159	Sep 29	WSN	@	COL	L,5-10	3-3	L(1-3)	1	0.0	1	2	2	1	0	0	1	3.65	4.71	3	10	5	3	0	1	0	0	0	0		0	0	0	0	0	1	0	0	0	0	0	0	1.63	-0.186	.00	0.00%	-1.85			3b --- 0 out a1	3b 123 0 out a1
31	31	161	Oct 2	WSN		BOS	L,3-5	9-9		2	0.0	2	1	1	1	0	1	0	4.01	5.36	3	11	4	1	1	0	2	1	0	0		1	1	0	0	0	2	0	0	0	0	0	0	.11	-0.066	.00	0.00%	-2.21			9t 1-- 2 out d2	9t 12- 2 out d4
							12-19		W-L:1-3,BSv:3,Hld:7	1.4	24.2	32	15	11	15	23	4	1	4.01	5.36	121	278	56%	25%	13%	1.10		23%	9%	0		17	35%	3	0	0	103	5	0	1	4	0	2	1.14	-1.027	.22	-0.02%	-3.93

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2021

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2021

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