Mason Thompson

Starting pitcher for Washington

Age: 27, 241 lbs, 6'6"

Born: 2/20/1998, Round Rock, TX, USA

Sal: N/A

Currently Released

TRANSACTION REPORT 3 months

Enters free agency.

Cleared waivers Wednesday and elected free agency.

Seasons	City	GP	CG	IP	ERA	W	L	ShO	Sv	H	2B	3B	HR	SO	HB	BB	WP	Bk	R	ER	NH	WHIP	K/9	PPts	PPts/GP
2025	WSH	14	0	10.7	11.81	1	1	0	0	16	5	1	1	11	0	12	0	0	16	14	0	2.62	9.28	5.0	0.4
2023	WSH	51	0	54.0	5.50	4	4	0	1	62	10	2	4	44	4	22	4	0	35	33	0	1.56	7.33	23.0	0.5
2022	WSH	24	0	24.7	2.92	1	1	0	1	19	2	1	2	15	1	9	1	0	8	8	0	1.14	5.47	8.0	0.3
2021	WSH	31	0	24.7	4.01	1	3	0	0	32	5	0	4	23	1	15	3	0	15	11	0	1.91	8.39	5.0	0.2

		120	0	114.0	6.06	7	9	0	2	129	22	4	11	93	6	58	8	0	74	66	0	1.81	7.62	41.0	0.3

Date	Opp	Res	CG	IP	ERA	W	L	ShO	Sv	H	2B	3B	HR	SO	HB	BB	WP	Bk	R	ER	NH	WHIP	K/9	PPts
9/19/2025	NYM@	L6 - 12	0	1.0	27.00	0	0	0	0	2	1	0	0	2	0	3	0	0	3	3	0	5.00	18.00	0.0
9/16/2025	ATL	L0 - 5	0	0.3	108.00	0	1	0	0	3	1	1	0	1	0	1	0	0	5	4	0	12.00	27.00	0.0
9/14/2025	PIT	W4 - 3	0	1.0	0.00	0	0	0	0	0	0	0	0	1	0	1	0	0	0	0	0	1.00	9.00	0.0
9/11/2025	MIA@	L0 - 5	0	1.0	0.00	0	0	0	0	1	0	0	0	1	0	0	0	0	0	0	0	1.00	9.00	0.0
9/10/2025	MIA@	L3 - 8	0	0.3	0.00	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	3.00	0.00	0.0
9/7/2025	CHC@	W6 - 3	0	1.0	9.00	1	0	0	0	2	0	0	1	1	0	0	0	0	1	1	0	2.00	9.00	5.0
9/3/2025	MIA	W10 - 5	0	1.0	0.00	0	0	0	0	1	1	0	0	1	0	1	0	0	1	0	0	2.00	9.00	0.0
8/30/2025	TB	L1 - 4	0	1.0	0.00	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0.00	9.00	0.0
7/21/2025	CIN	W10 - 8	0	0.3	27.00	0	0	0	0	0	0	0	0	0	0	2	0	0	1	1	0	6.00	0.00	0.0
7/18/2025	SD	L2 - 7	0	0.7	0.00	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	1.50	0.00	0.0

			0	7.7	17.10	1	1	0	0	10	3	1	1	8	0	9	0	0	11	9	0	3.35	9.00	5.0

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Date	Visit.	Home	Time

Player	Pos	City	Injured date	Type	Description	+

Player	Pos	City	Transaction date	Description
M. Thomps	SP	WSH	10/29/2025	Enters free agency.
M. Thomps	SP	WSH	9/23/2025	Shelved with biceps tendinitis.
M. Thomps	SP	WSH	8/30/2025	Back up with big club.
M. Thomps	SP	WSH	7/22/2025	Moves down to Triple-A.
M. Thomps	SP	WSH	7/5/2025	Back from injured list.
M. Thomps	SP	WSH	2/19/2025	Goes on 60-day injured list.
M. Thomps	SP	WSH	11/21/2024	Agrees to deal with Nats.
M. Thomps	SP	WSH	3/24/2024	Moves to 60-day IL.
M. Thomps	SP	WSH	9/13/2023	Optioned to Rochester.
M. Thomps	SP	WSH	8/20/2023	Returns from injured list.

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Player	Pos	City	Game Date	Corr. Date	Corr.	Description	Game log
M. Thomps	SP	WSH	5/30/2023	6/16/2023	+1	Hits allowed	Game log
M. Thomps	SP	WSH	5/30/2023	6/16/2023	+2	Earned runs allowed	Game log

Stars of the month

Date	Player	City	Pos	Star

Stars of the week

Date	Player	City	Pos	Star