Biography

BIOGRAPHY

Mason Thompson was born February 20, 1998, in Round Rock, Texas. He is a pitcher in the MLB.

Thompson made his professional debut with the Arizona League Padres, tossing 12 innings of 2.25 ERA ball. In 2017, Thompson played for the Single-A Fort Wayne TinCaps, posting a 2-4 record and 4.67 ERA in seven appearances. He returned to Fort Wayne for the 2018 season, pitching to a 6-8 record and 4.94 ERA with 97 strikeouts in 93 innings of work.

On June 20, 2021, Thompson was promoted to the major leagues for the first time. He made his MLB debut on June 22, pitching one-third of an inning against the Los Angeles Dodgers, and earning a hold.

On July 30, 2021, Thompson and Jordy Barley were traded to the Washington Nationals in exchange for Daniel Hudson. He was activated the next day and made his Nationals debut on August 2.

On April 10, 2022, Thompson was placed on the injured list due to a biceps injury. He was transferred to the 60-day IL on May 10 with biceps tendinitis. He was activated on July 1.

On September 5, 2022, he earned his first major league save by pitching the final three scoreless innings against the St. Louis Cardinals in a 6-0 Nationals win in St. Louis.