15 times
From 2000 through the 2012 season, the NY Giants made the playoffs seven times.
Since the 2000 season the Philadelphia Eagles have made the playoffs nine times. Making the playoffs every season except for 2005 and 2007.
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The most consecutive years the Steelers made the playoffs was eight. That was from 1972-1979.The current streak is two. They made the playoffs in 2010 and 2011.
The Atlanta Braves franchise has appeared in 9 World Series, and won three World Series titles in three different cities.
The Mets did not make the playoffs in the 2004 season. The Atlanta Braves made the playoffs from the National League East Division and the Houston Astros made the playoffs as the wild card.
Atlanta Braves
In the ABA, they made it to the playoffs 7 times. In the NBA, they made it to the playoffs 16 times.
this is probably not the only time, but the atlanta braves were perfect gamed by randy Johnson in 2004 and still made the play-offs...
they made donations to the charities
They have made the playoffs 25 times with a record of 17-18.
Once - in the 1999 season, vs. the St. Louis Rams.
Since the Dallas Mavericks were established in 1980, they have made it to the playoffs 20 times.
15 times
Through the 2013 season, the New York Giants made it to the playoffs 31 times.
Since moving to Tennessee they have made the playoffs six times - 1999, 2000, 2002, 2003, 2007, and 2008. Their record in the playoffs is 5-6.