Mason Thompson

WAS Nationals • #71 • Reliever

Active
Position Reliever
Height 6'6"
Weight 241
Age 27
Birthdate Feb 20, 1998
Birthplace Round Rock, TX, USA
School Round Rock (TX)

Mason Thompson Projections, Player Props and Stats

Strikeouts Thrown

0.79 / game
(2025) avg
Date Opponent K Close
Sep 19 @ NYM NYM 2 -
Sep 16 vs ATL ATL 1 -
Sep 14 vs PIT PIT 1 -
Sep 11 @ MIA MIA 1 -
Sep 10 @ MIA MIA 0 -
Sep 7 @ CHC CHC 1 -
Sep 3 vs MIA MIA 1 -
Aug 30 vs TB TB 1 -
Jul 21 vs CIN CIN 0 -
Jul 18 vs SD SD 0 -
Last 10 average 0.8

Outs Recorded

2.29 / game
(2025) avg
Date Opponent Outs Close
Sep 19 @ NYM NYM 3 -
Sep 16 vs ATL ATL 1 -
Sep 14 vs PIT PIT 3 -
Sep 11 @ MIA MIA 3 -
Sep 10 @ MIA MIA 1 -
Sep 7 @ CHC CHC 3 -
Sep 3 vs MIA MIA 3 -
Aug 30 vs TB TB 3 -
Jul 21 vs CIN CIN 1 -
Jul 18 vs SD SD 2 -
Last 10 average 2.3

To Record A Win

1
(2025) total wins
Date Opponent Wins Close
Sep 19 @ NYM NYM - -
Sep 16 vs ATL ATL - -
Sep 14 vs PIT PIT - -
Sep 11 @ MIA MIA - -
Sep 10 @ MIA MIA - -
Sep 7 @ CHC CHC W -
Sep 3 vs MIA MIA - -
Aug 30 vs TB TB - -
Jul 21 vs CIN CIN - -
Jul 18 vs SD SD - -
Wins in last 10 1

Hits Allowed

1.14 / game
(2025) avg
Date Opponent Hits Close
Sep 19 @ NYM NYM 2 -
Sep 16 vs ATL ATL 3 -
Sep 14 vs PIT PIT 0 -
Sep 11 @ MIA MIA 1 -
Sep 10 @ MIA MIA 1 -
Sep 7 @ CHC CHC 2 -
Sep 3 vs MIA MIA 1 -
Aug 30 vs TB TB 0 -
Jul 21 vs CIN CIN 0 -
Jul 18 vs SD SD 0 -
Last 10 average 1.0

Walks Given

0.71 / game
(2025) avg
Date Opponent W Close
Sep 19 @ NYM NYM 2 -
Sep 16 vs ATL ATL 1 -
Sep 14 vs PIT PIT 1 -
Sep 11 @ MIA MIA 0 -
Sep 10 @ MIA MIA 0 -
Sep 7 @ CHC CHC 0 -
Sep 3 vs MIA MIA 1 -
Aug 30 vs TB TB 0 -
Jul 21 vs CIN CIN 2 -
Jul 18 vs SD SD 1 -
Last 10 average 0.8

Earned Runs Allowed

1.0 / game
(2025) avg
Date Opponent E. Run Close
Sep 19 @ NYM NYM 3 -
Sep 16 vs ATL ATL 4 -
Sep 14 vs PIT PIT 0 -
Sep 11 @ MIA MIA 0 -
Sep 10 @ MIA MIA 0 -
Sep 7 @ CHC CHC 1 -
Sep 3 vs MIA MIA 0 -
Aug 30 vs TB TB 0 -
Jul 21 vs CIN CIN 1 -
Jul 18 vs SD SD 0 -
Last 10 average 0.9

Mason Thompson Game Logs

2025 Game Log
Date Opp Score M/L O/U S/R RES IP H R ER SO BB HR PIT P/IP G/F
Sep 19 @ NYM L 12 - 6 L 202 O 8.5 R ND 1.0 2 3 3 2 2 0 29 29.0 0.00
Sep 16 vs ATL L 5 - 0 F/10 L 158 U 7.0 R L 0.1 3 5 4 1 1 0 27 81.0 0.00
Sep 14 vs PIT W 4 - 3 W 106 U 8.5 R ND 1.0 0 0 0 1 1 0 17 17.0 0.00
Sep 11 @ MIA L 5 - 0 L 113 U 7.5 R ND 1.0 1 0 0 1 0 0 16 16.0 0.00
Sep 10 @ MIA L 8 - 3 L 132 O 8.5 R ND 0.1 1 0 0 0 0 0 7 21.0 0.00
Sep 7 @ CHC W 6 - 3 W 162 O 7.5 R W 1.0 2 1 1 1 0 1 15 15.0 0.00
Sep 3 vs MIA W 10 - 5 W 134 O 9.0 R ND 1.0 1 1 0 1 1 0 23 23.0 0.00
Aug 30 vs TB L 4 - 1 L 137 U 8.5 R ND 1.0 0 0 0 1 0 0 15 15.0 0.00
Jul 21 vs CIN W 10 - 8 W 111 O 9.0 R ND 0.1 0 1 1 0 2 0 12 36.0 0.00
Jul 18 vs SD L 7 - 2 L 130 O 8.5 R ND 0.2 0 0 0 0 1 0 15 22.5 0.00
Jul 13 @ MIL L 8 - 1 L 235 O 8.5 R ND 1.0 0 0 0 1 1 0 19 19.0 0.00
Jul 10 @ STL L 8 - 1 L 127 P 9.0 R ND 0.1 4 5 5 0 1 0 17 51.0 0.00
Jul 8 @ STL L 4 - 2 L 206 U 8.0 R ND 1.0 1 0 0 1 0 0 16 16.0 0.00
Jul 6 vs BOS L 6 - 4 L 210 O 8.5 R ND 0.2 1 0 0 1 0 0 11 16.5 0.00
Show Full Season

Mason Thompson's Pitching Statistics for Regular Season

Season Team G GS W L SV BS ERA CG SHO IP H R ER BB SO HR WP
2025 WAS 14 0 1 1 0 0 11.81 0 0 10.7 16 16 14 10 11 1 0
2023 WAS 51 0 4 4 1 3 5.50 0 0 54.0 62 35 33 22 44 4 4
2022 WAS 24 0 1 1 1 1 2.92 0 0 24.7 19 8 8 9 15 2 1
2021 WAS 27 0 1 3 0 3 4.15 0 0 21.7 28 14 10 13 21 4 1
2021 SD 4 0 0 0 0 0 3.00 0 0 3.0 4 1 1 1 2 0 2

Mason Thompson's Pitching Statistics for Post Season

Season Team G GS W L SV BS ERA CG SHO IP H R ER BB SO HR WP

Pitching Splits

Overall Last 3 Away Home Day Night
W-L 1-1 0-1 1-0 0-1 0-0 1-1
ERA 11.81 27.00 14.29 9.00 0.00 11.81
IP 10.7 2.3 5.7 5.0 0.0 10.7
HITS 16 5 11 5 0 16
RUNS 16 8 9 7 0 16
ER 14 7 9 5 0 14
SO 11 4 6 5 0 11
BB 10 4 4 6 0 10
HR 1 0 1 0 0 1
OBP .433 .529 .455 .407 .000 .433
WHIP 2.44 3.86 2.65 2.20 0.00 2.44
GB:FB 3.00 1.00 1.50 6.00 0.00 3.00
SB 3 1 1 2 0 3
CS 0 0 0 0 0 0
SB% 0.00 0.00 0.00 0.00 0.00 0.00
QS% 0.00 0.00 0.00 0.00 0.00 0.00


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