Mason Thompson #22

Mason Lane Thompson...Graduated from Round Rock (Texas) High School...Committed to University of Texas, but signed with San Diego.

2024

Missed the entire 2024 season recovering from Tommy John Surgery.

2023

Made his second Opening Day roster...Ranked third on the club with 10 holds...Opened the season strong, posting a 0.96 ERA (2 ER/1.2 IP), .159 opponents’ average, 17 strikeouts, one walk and 0-for-6 inherited runners in his first 10 outings...In 16 games from June 2 to July 17: 8 Holds, 1.72 ERA (3 ER/15.2 IP), 14 strikeouts, 0-for-8 inherited runners scored...Recorded second career save, April 25 at New York (3.0 IP, 1 H, 4 SO)...Became the first player in Nationals history to record two separate three inning saves...2023 Pitch Mix: Sinker (56.9%) Slider (28.5%) Curveball (8.4%) 4-Seam Fastball (6%) Changeup (0.2%).

2022

Made his first Opening Day roster but was placed on the Injured List on April 10 with a right biceps strain...Returned to Nationals on July 1...Was one of four MLB relievers to inherit at least nine runners and have none come across to score...Tossed scoreless relief in 20 of 24 outings...Posted a 0.60 ERA (1 ER/15.0 IP) and a .120 opponents’ average (6-for-50) in his first 14 outings with the Injured List stint in-between...Recorded his first MLB save on Sept. 5 at St. Louis (pitched final 3.0 IP).

2021

Went 4-3 with a 5.34 ERA in 24 games for Triple-A El Paso...Made Major League debut on June 22 at Los Angeles (NL)… In four games with San Diego recorded a 3.00 ERA (1 ER/3.0 IP), four hits, one earned run, one walk and two strikeouts...In 27 games with Washington he went 1-3 with five holds, a 4.15 ERA (10 ER/21.2 IP), 21 strikeouts and 14 walks...Earned his first career win on Aug. 18 vs. Toronto... In his final 11 games of the season went 0-2, with three holds, a 5.06 ERA (3 ER/5.1 IP), nine hits, four walks and six strikeouts...2021 Pitch Mix: Sinker (81.4%) Slider (13.6%) 4-Seam (3.9%) Changeup (1.2%).

2020

Did not appear in the Padres' 60-man player pool during the regular season.

2019

Was limited to just 22.1 IP (7.66 ERA) for Lake Elsinore (A) due to a comebacker off his leg...Tossed 5.0 total IP and allowed 3 runs across 3 outings (2 starts) for the Arizona League Rookie-Level Padres...His start of 5.0 innings on April 18, his 3rd start of the season, was his only start of the campaign longer than 4.0 IP (his debut on April 6)

2018

Posted career highs across the board for Fort Wayne (A) with 6 wins, 93.0 IP, 97 strikeouts, a .255 opponent clip across 22 appearances (20 starts)...Made 10 starts of at least 5.0 innings and allowed 3 earned runs-or-fewer in each of those outings with a 5-3 record...On the season, allowed 3 earned runs-or-fewer in 17 of his 20 starts...Tossed a career-high 6.0 scoreless innings in his 5th start of the campaign on May 1 vs. Beloit...Limited hitters to a .238 AVG with RISP, but 17 of his 37 walks came in those scenarios...Missed time on the 7-day IL from July 20-August 13 due to a right triceps strain.

2017

Tossed just 27.0 innings (4.67 ERA) for FW in 2017 due to a stint on the injured list from July 28 to September 26.

2016

Made his profesisonal debut in 2016 with the AZL Padres (R), posting a 2.25 ERA (3 ER, 12.0 IP) across 5 starts.