No team has ever won the World Series after trailing 3 games to none. However, in the 2004 American League Championship Series, the Boston Red Sox beat the New York Yankees 4 games to 3 after trailing 3 games to none. (Only time in baseball history.)
Boston Red Sox
Five teams have done it in a seven-game World Series: 1925 Pirates 1958 Yankees 1968 Tigers 1979 Pirates 1985 Royals The Boston (AL) team also won the Series in 1903 after being down 3-1, but that was a nine-game series.
The 2001 New York Yankees
No teams in the NBA have ever come back from a 3-o series deficit in any NBA 7 game series including the Finals.
1. 1903 Boston Americans (Red Sox), down 1-3, won World Series 5-3 over Pittsburgh (best of nine format).2. 1925 Pittsburgh Pirates, down 1-3, won World Series 4-3 over Washington.3. 1958 New York Yankees, down 1-3, won World Series 4-3 over Milwaukee.4. 1968 Detroit Tigers, down 1-3, won World Series 4-3 over St. Louis.5. 1979 Pittsburgh Pirates, down 1-3, won World Series 4-3 over Baltimore.6. 1985 Kansas City Royals, down 1-3, won World Series 4-3 over St. Louis.
No team has ever won the World Series after trailing 3 games to 0.
Boston Red Sox
Five teams have done it in a seven-game World Series: 1925 Pirates 1958 Yankees 1968 Tigers 1979 Pirates 1985 Royals The Boston (AL) team also won the Series in 1903 after being down 3-1, but that was a nine-game series.
miami heat 2006 vs dallas
No one has completed this feat in NBA history yet
Don't ask scary questions especially now.
The 2001 New York Yankees
Sharks
No teams in the NBA have ever come back from a 3-o series deficit in any NBA 7 game series including the Finals.
Montreal Canadiens came back from a 3-1 deficit in 2010
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Teams that are down 3-1 in the NBA playoffs have historically faced a tough challenge. However, there have been instances where these teams have managed to come back and win the series. According to historical records, teams down 3-1 have come back to win the series about 11 of the time.