Since the divisional playoff system began in 1969, the San Francisco Giants have appeared in the postseason eight times, in 1971, 1987, 1989, 1997, 2000, 2002, 2003 and 2010. The 2010 Giants won the franchise's first world championship since 1954.
Before 1969, San Francisco won the 1962 National League pennant in a three-game playoff with the Los Angeles Dodgers. They advanced to the World Series, but lost to the New York Yankees in seven games.
Overall, the Giants franchise has appeared in 18 World Series between 1905 and 2010. The club won five World Series in New York (1905, 1921, 1922, 1933 and 1954) and one in San Francisco (2010).
The Jacksonville Jaguars have Been to the playoffs once.
They have been to the Stanley Cup finals 4 times and countless playoffs.
The Miami heat been in the NBA playoffs 4 times
The Boston Red Sox have been in the playoffs 20 times since 1901(when baseball started having leagues and championships).
Through the 2012 season, the San Diego Chargers made the playoffs 17 times.
27 times
Yankees- Baseball. They have been in the playoffs 48 times
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The Cowboys have been in the playoffs 29 times since they became an NFL team in 1960.
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