Mason Lane Thompson (born February 20, 1998) is an American

professional A professional is a member of a profession or any person who works in a specified professional activity. The term also describes the standards of education and training that prepare members of the profession with the particular knowledge and skil ...

baseball Baseball is a bat-and-ball sport played between two teams of nine players each, taking turns batting and fielding. The game occurs over the course of several plays, with each play generally beginning when a player on the fielding tea ...

pitcher In baseball, the pitcher is the player who throws ("pitches") the baseball from the pitcher's mound toward the catcher to begin each play, with the goal of retiring a batter, who attempts to either make contact with the pitched ball or draw ...

for the

Washington Nationals The Washington Nationals are an American professional baseball team based in Washington, D.C.. They compete in Major League Baseball (MLB) as a member of the National League (NL) East division. From 2005 to 2007, the team played in RFK Stadiu ...

Major League Baseball Major League Baseball (MLB) is a professional baseball organization and the oldest major professional sports league in the world. MLB is composed of 30 total teams, divided equally between the National League (NL) and the American League (AL), ...

(MLB). He previously played in MLB for the

San Diego Padres The San Diego Padres are an American professional baseball team based in San Diego. The Padres compete in Major League Baseball (MLB) as a member club of the National League (NL) West division. Founded in 1969, the club has won two NL penna ...

Amateur career

Thompson attended

Round Rock High School Round Rock High School is a public high school located in Round Rock, Texas, a suburb of North Austin. Founded in 1867, it is the oldest high school in the Round Rock Independent School District. As of 2021, it is the largest high school in the Gr ...

Round Rock, Texas Round Rock is a city in the U.S. state of Texas, in Williamson County (with a small part in Travis County), which is a part of the Greater Austin metropolitan area. Its population is 119,468 as of the 2020 census. The city straddles the Bal ...

. He underwent

Tommy John surgery Ulnar collateral ligament reconstruction, colloquially known as Tommy John surgery (TJS), is a surgical graft procedure where the ulnar collateral ligament in the medial elbow is replaced with either a tendon from elsewhere in the patient's bo ...

as a junior, and pitched only one inning as a senior. He was selected by the

in the third round, 85th overall, of the

2016 Major League Baseball draft The 2016 Major League Baseball (MLB) First-Year Player Draft began on June 9, 2016, to assign amateur baseball players to MLB teams. The draft order is the reverse order of the 2015 MLB season standings. In addition, compensation picks will be d ...

. He signed for $1.75 million, forgoing his commitment to play

college baseball College baseball is baseball that is played on the intercollegiate level at institutions of higher education. In comparison to football and basketball, college competition in the United States plays a smaller role in developing professional pl ...

for the

Texas Longhorns The Texas Longhorns are the athletic teams representing the University of Texas at Austin. The teams are sometimes referred to as the Horns and take their name from Longhorn cattle that were an important part of the development of Texas, and a ...

Professional career

San Diego Padres

Thompson made his professional debut with the

Arizona League Padres The Arizona Complex League Padres are a Rookie-level affiliate of the San Diego Padres, competing in the Arizona Complex League of Minor League Baseball. The team plays its home games at Peoria Sports Complex in Peoria, Arizona, which is also the ...

, tossing 12 innings of 2.25 ERA ball. In 2017, Thompson played for the Single-A

Fort Wayne TinCaps The Fort Wayne TinCaps are a Minor League Baseball team of the Midwest League and the High-A affiliate of the San Diego Padres. They are located in Fort Wayne, Indiana, and play their home games at Parkview Field. They won their lone Midwest Le ...

, 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. In 2019, Thompson played for the High-A

Lake Elsinore Storm The Lake Elsinore Storm are a Minor League Baseball team of the California League and the Single-A affiliate of the San Diego Padres. The Storm plays their home games at Lake Elsinore Diamond (Pete Lehr Field), which opened in 1994; the park se ...

, only appearing in seven games due to injury, and recorded an 0-5 record and 7.66 ERA. Thompson did not play in a game in 2020 due to the cancellation of the minor league season because of the

COVID-19 pandemic The COVID-19 pandemic, also known as the coronavirus pandemic, is an ongoing global pandemic of coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The novel virus was first identif ...

. The Padres added him to their 40-man roster after the 2020 season. 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 The Los Angeles Dodgers are an American professional baseball team based in Los Angeles. The Dodgers compete in Major League Baseball (MLB) as a member club of the National League (NL) West division. Established in 1883 in the city of Brooklyn ...

, and earning a

hold Hold may refer to: Physical spaces * Hold (ship), interior cargo space * Baggage hold, cargo space on an airplane * Stronghold, a castle or other fortified place Arts, entertainment, and media * Hold (musical term), a pause, also called a Fermat ...

Washington Nationals

On July 30, 2021, Thompson and Jordy Barley were traded to the

in exchange for

Daniel Hudson Daniel Claiborne Hudson (born March 9, 1987) is an American professional baseball pitcher for the Los Angeles Dodgers of Major League Baseball (MLB). Hudson was drafted by the Chicago White Sox in the fifth round of the 2008 MLB draft. He made h ...

. 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 The biceps or biceps brachii ( la, musculus biceps brachii, "two-headed muscle of the arm") is a large muscle that lies on the front of the upper arm between the shoulder and the elbow. Both heads of the muscle arise on the scapula and join ...

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 The St. Louis Cardinals are an American professional baseball team based in St. Louis. The Cardinals compete in Major League Baseball (MLB) as a member club of the National League (NL) Central division. Since the 2006 season, the Cardinals hav ...

in a 6-0 Nationals win in St. Louis.

References

External links

{{DEFAULTSORT:Thompson, Mason 1998 births Living people Arizona League Padres players Baseball players from Travis County, Texas El Paso Chihuahuas players Florida Complex League Nationals players Fort Wayne TinCaps players Harrisburg Senators players Lake Elsinore Storm players Major League Baseball pitchers Rochester Red Wings players San Diego Padres players Sportspeople from Round Rock, Texas Washington Nationals players