About Les Mueller
Lived 1919 – 2012 (aged 93). Les Mueller was an American baseball player.
Leslie Clyde Mueller (March 4, 1919 – October 25, 2012) was an American right-handed pitcher in Major League Baseball who played for the Detroit Tigers in 1941 and 1945. He was born in Belleville, Illinois.
In 1940, Mueller played for the Beaumont Exporters in the Texas League and threw a no-hitter on August 22, 1940 against Dallas. The following year, Mueller reached the big leagues, pitching four games for the Detroit Tigers. He enlisted in the Army after the United States entered World War II and missed the next three seasons. After a physical revealed that he had a hernia, Mueller received a medical discharge in late 1944.
Mueller rejoined the Tigers for the 1945 season, going 6-8 in 26 games, including 18 games as a starter.
On April 17, 1945, Mueller faced Pete Gray, the St. Louis Browns' famous one-armed outfielder, in Gray's first major league game. Gray got his first major league hit off Mueller, the first of 51 hits for Gray in 1945.
On July 21, 1945, Mueller put in one of the greatest pitching performances in major league history. Mueller pitched the first 19-2/3 innings for the Tigers and left having given up only one unearned run. No pitcher has thrown as many innings in a major league game since Mueller's feat. The game lasted 4 hours and 48 minutes before umpire Bill Summers called the game a tie due to darkness at 7:48 p.m.
When Tigers manager Steve O'Neill removed Mueller, the pitcher asked, "Gee, Steve, the game isn't over, is it?"
Mueller also pitched two scoreless innings in Game 1 of the 1945 World Series.
Mueller was sent to the minors in 1946 and finished his career pitching in Buffalo, Newark, and Kansas City.
After his baseball career ended, Mueller returned to Belleville, Illinois, where he worked in the family's furniture store until he retired in 1976.
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Important facts
People in Les Mueller's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped Les Mueller's
Frequently asked questions
Who was Les Mueller?
American baseball player (1919-2012)
When was Les Mueller born?
Les Mueller was born on 4 March 1919 in Belleville.
When did Les Mueller die?
Les Mueller died on 25 October 2012 in Belleville.
What was Les Mueller's occupation?
Les Mueller was a baseball player.
What nationality was Les Mueller?
Les Mueller was American.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Les Mueller. https://biography.guide/les-mueller/
MLA: "Les Mueller." Biography.guide, https://biography.guide/les-mueller/.
Chicago: "Les Mueller." Biography.guide. https://biography.guide/les-mueller/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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