The longest professional baseball game in historyLine score exhibit at McCoy Stadium  | 
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| The line score below has been truncated to remove several runless extra innings. | 
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| Date | April 18–19, and June 23, 1981 | 
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| Venue | McCoy Stadium | 
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| City | Pawtucket, Rhode Island | 
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| Managers |  | 
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| Umpires | Dennis Cregg, Jack Leitz | 
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| Attendance | - ~1,740 (beginning of the game on April 18)
 - 20 (end of the 32nd inning on April 19)
 - 5,746 (33rd inning on June 23)
 
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| Time of game | 8 hours and 25 minutes | 
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The Pawtucket Red Sox and the Rochester Red Wings, two teams from the Triple-A International League, played the longest game in professional baseball history over three days in 1981. The game lasted 33 innings, with 8 hours and 25 minutes of playing time. The first 32 innings were played overnight from April 18–19, 1981, at McCoy Stadium in Pawtucket, Rhode Island, and the tie-breaking 33rd inning was played June 23, 1981. Pawtucket won the game, 3–2.