2023 Stats
W-L
4-4
ERA
5.50
WHIP
1.56
K
44
SV
1
Rest-of-Season Projections
RANKSFrom Preseason
#601
ADP

Optioned to Rochester
Washington optioned Thompson to Triple-A Rochester on Wednesday.
ANALYSIS
This move clears out a 28-man roster spot for Jackson Rutledge, who is making his major-league debut in a start Wednesday at Pittsburgh. Thompson, 25, has struggled to a 5.50 ERA, 1.56 WHIP and 44:22 K:BB in 54 innings of relief this season with the Nationals.
This move clears out a 28-man roster spot for Jackson Rutledge, who is making his major-league debut in a start Wednesday at Pittsburgh. Thompson, 25, has struggled to a 5.50 ERA, 1.56 WHIP and 44:22 K:BB in 54 innings of relief this season with the Nationals.
Pitching Stats
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2023
2022
2021
2023 MLB Game Log
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Minor League Game Log

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Pitching Appearances Breakdown
Average Pitch Count
18
Last 10 Games
14
Last 5 Games
16
How many pitches does Mason Thompson generally throw?
1-10
11-20
21-30
31-40
41-50
51-60
61-70
71-80
81-90
91-100
101-110
111-120
121+
What part of the game does Mason Thompson generally pitch?
1st
2nd
3rd
4th
5th
6th
7th
8th
9th
Extra
% Games Reaching Innings Threshold
% Games By Number of Innings Pitched
Left/Right Pitching Splits
Since 2021
-3%
BAA vs LHP
2023
-9%
BAA vs RHP
BAA | K | BB | H | HR | ||||
---|---|---|---|---|---|---|---|---|
Since 2021vs Left | .274 | 33 | 33 | 43 | 4 | |||
Since 2021vs Right | .283 | 49 | 13 | 70 | 6 | |||
2023vs Left | .312 | 18 | 15 | 24 | 2 | |||
2023vs Right | .284 | 26 | 7 | 38 | 2 | |||
2022vs Left | .250 | 8 | 7 | 11 | 0 | |||
2022vs Right | .174 | 7 | 2 | 8 | 2 | |||
2021vs Left | .222 | 7 | 11 | 8 | 2 | |||
2021vs Right | .358 | 16 | 4 | 24 | 2 | |||
More Splits→ | View More Split Stats |
Home/Away Pitching Splits
Since 2021
-22%
ERA at Home
2023
-53%
ERA at Home
ERA | WHIP | IP | K/9 | BB/9 | |||||
---|---|---|---|---|---|---|---|---|---|
Since 2021Home | 3.91 | 1.52 | 46.0 | 5.3 | 5.5 | ||||
Since 2021Away | 5.02 | 1.55 | 57.1 | 8.6 | 2.8 | ||||
2023Home | 3.38 | 1.25 | 24.0 | 5.3 | 4.1 | ||||
2023Away | 7.20 | 1.80 | 30.0 | 9.0 | 3.3 | ||||
2022Home | 5.91 | 1.69 | 10.2 | 4.2 | 5.9 | ||||
2022Away | 0.64 | 0.71 | 14.0 | 6.4 | 1.3 | ||||
2021Home | 3.18 | 1.94 | 11.1 | 6.4 | 7.9 | ||||
2021Away | 4.73 | 1.88 | 13.1 | 10.1 | 3.4 | ||||
More Splits→ | View More Split Stats |
Stat Review
How does Mason Thompson compare to other relievers?
This section compares his stats with all relief pitcher seasons from the previous three seasons (minimum 30 innings)*. The bar represents the player's percentile rank. For example, if the bar is halfway across, then the player falls into the 50th percentile for that stat and it would be considered average.
* Exit Velocity, Barrels/BBE %, Balls Hit 95+ MPH %, and Spin Rate are benchmarked against 2019 data (min 30 IP). See here for more exit velocity/barrels stats plus an explanation of current limitations with that data set.
* Exit Velocity, Barrels/BBE %, Balls Hit 95+ MPH %, and Spin Rate are benchmarked against 2019 data (min 30 IP). See here for more exit velocity/barrels stats plus an explanation of current limitations with that data set.
K/BB
2.00K/9
7.3BB/9
3.7HR/9
0.7Fastball
94.7 mphERA
5.50WHIP
1.56BABIP
.349GB/FB
1.89Left On Base
62.5%Exit Velocity
80.6 mphBarrels/BBE
3.4%Spin Rate
2238 rpmBalls Hit 95+ MPH
23.5%Swinging Strike
8.8%Prospect Rankings History
Advanced Pitching Stats
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Defensive Stats
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Stats Vs Today's Lineup
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2017 Fantasy Outlook
Tommy John surgery in his junior year of high school dropped Thompson to the third round of the 2016 first-year player draft, when the Padres took a gamble on the 19-year-old and swayed him from a Texas commitment with $1.75 million. Thompson has some work to do to fill out his 6-foot-7, 186-pound frame, but he has the stuff to succeed if he can do so. He posts good velocity and has some decent backup pitches, which he showed off in 12 innings for the Padres' rookie league team in the Arizona League. Thompson struck out 12 batters in his five starts, allowing just eight hits en route to a 2.25 ERA and 1.08 WHIP. He'll begin next season in a low minor league level, but the Padres will have high hopes for his success if he can stay healthy and begin to add more strength.
More Fantasy News

Returns from injured list
Thompson (knee) was reinstated from the 15-day injured list Sunday, Andrew Golden of The Washington Post reports.
ANALYSIS
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Cleared for rehab assignment
Thompson (knee) will head to Double-A Harrisburg later this week to begin a rehab assignment, Andrew Golden of The Washington Post reports.
ANALYSIS
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Throws simulated game
Thompson (knee) threw 25 pitches in a simulated appearance Tuesday, Andrew Golden of The Washington Post reports.
ANALYSIS
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Lands on injured list
Thompson was placed on the 15-day injured list Saturday with a left knee contusion, Mark Zuckerman of MASNSports.com reports.
ANALYSIS
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Nabs ninth hold
Thompson gave up two hits and struck out one in 1.1 scoreless innings to record his ninth hold of the season in Monday's win over the Cubs.
ANALYSIS
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