Major League Baseball
Profile | Career Statistics
Mason Thompson
#71 - Washington Nationals
Profile
Position Starter
Ht/Wt 6'6" / 241 lbs
Birthdate February 20, 1998
Birthplace Round Rock, Texas
College  
Bats/Throws Right / Right
Draft 2016 - Round 3 (85 overall) by San Diego
Experience 4 years
Key Statistics
IP 6.0
W/L 0-0
SV 0
ERA 9.00
K 5
BB 7
OBP .438
Errors 0
Last 10 | Season
Date vs S/R Res Score IP H R ER K BB HR P P/IP GB:FB
9/3/25 MIA R 10-5 1.0 1 1 0 1 1 0 23 23.0 .00
8/30/25 TB R 1-4 1.0 0 0 0 1 0 0 15 15.0 .00
7/21/25 CIN R 10-8 0.1 0 1 1 0 2 0 12 36.0 .00
7/18/25 SD R 2-7 0.2 0 0 0 0 1 0 15 22.5 .00
7/13/25 @ MIL R 1-8 1.0 0 0 0 1 1 0 19 19.0 .00
7/10/25 @ STL R 1-8 0.1 4 5 5 0 1 0 17 51.0 .00
7/8/25 @ STL R 2-4 1.0 1 0 0 1 0 0 16 16.0 .00
7/6/25 BOS R 4-6 0.2 1 0 0 1 1 0 11 16.5 .00
9/10/23 LAD R 3-7 0.2 3 1 1 1 0 0 19 28.5 .00
9/8/23 LAD R 5-8 0.1 1 0 0 1 2 0 17 51.0 .00
Pitching Statistics | Career
Year Team G GS W L SV BS ERA CG SHO IP H R ER BB K HR WP
2025 WAS 8 0 0 0 0 0 9.00 0 0 6.0 7 7 6 7 5 0 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 24.2 19 8 8 9 15 2 1
Pitching Splits
  Overall Last 3 Away Home Day Night Grass Fieldturf Astroturf
W/L
ERA
IP
Hits
Runs
ER
K
BB
HR		 0-0
9.00
6.0
7
7
6
5
7
0		 0-0
0.00
0.0
0
0
0
0
0
0		 0-0
19.29
2.1
5
5
5
2
2
0		 0-0
2.45
3.2
2
2
1
3
5
0		 0-0
0.00
3.2
2
1
0
4
3
0		 0-0
23.14
2.1
5
6
6
1
4
0		 0-0
9.00
6.0
7
7
6
5
7
0		 0-0
0.00
0.0
0
0
0
0
0
0		 0-0
0.00
0.0
0
0
0
0
0
0
OBP
WHIP
GB:FB
SB
CS
SB %
QS %		 .438
2.33
0
1
0
100.0
0.0		 .000
0.00
0
0
0
0
0.0		 .500
3.00
0
0
0
0
0.0		 .389
1.91
0
1
0
100.0
0.0		 .312
1.36
0
0
0
0
0.0		 .562
3.86
0
1
0
100.0
0.0		 .438
2.33
0
1
0
100.0
0.0		 .000
0.00
0
0
0
0
0.0		 .000
0.00
0
0
0
0
0.0
TW/TL
AF
AA
Total
Over
Under		 2-6
3.88
6.25
10.12
5
2		 0-0
0.00
0.00
0.00
0
0		 0-3
1.33
6.67
8.00
1
1		 2-3
5.40
6.00
11.40
4
1		 1-3
4.00
5.75
9.75
3
1		 1-3
3.75
6.75
10.50
2
1		 2-6
3.88
6.25
10.12
5
2		 0-0
0.00
0.00
0.00
0
0		 0-0
0.00
0.00
0.00
0
0
Season Injury Log
Date On Date Off Injury Status
2/15/25 7/6/25 Elbow 60-day IL