Joe Montana with 16 playoff wins.
I'd say the Pittsburg Steelers..:)
Most 4th quarter touchdown passes in a season (15 in 2011)Tied NFL Record longest pass completion and touchdown (99 yards in 2011)Most road playoff wins by a quarterback (5)Tied NFL Record most game-winning drives in a season (8 in 2011)Most road wins in a single regular season and postseason by a starting quarterback (10)Most passing yards in a single postseason (1,219 yards in 2011)
Since the 2006 season, the Dallas Cowboys are 2-and-4 in playoff appearances with Tony Romo as the starting quarterback.
The Ravens have two playoff wins (2009 and 2012) to one Patriots playoff win (2011).
The most winningest quarterback in the NFL is Brett Favre with 186 wins