The Atlanta Falcons have 10 playoff appearances.
106 in the regular season and two playoff games.
Through 2010, the Steelers have made 26 playoff appearances in their history.
Through the 2012 season, the Yankees have made 51 playoff appearances.
The Ravens have faced the Titans 3 times in the playoffs, the most memorable being their victory in Tennessee during the 2000 season playoff run toward their Super Bowl XXXV win. The Ravens currently lead the Titans in playoff wins, 2 games to 1. The Titans beat the Ravens in the 2009 playoffs.
In 2010, the Tennessee Titans had a 6-10 record.
As of right now (entering the 2010 season) 91 regular season wins and two playoff wins since 1999.
I think its two.