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Halladay's record in postseason is 2-1. His first year in the postseason was 2010.
Mariano Rivera has the best career postseason ERA wit 0.74 in 133.1 innings pitched.
There all time postseason record is 17-18.
Through the 2011 season, Mariano Rivera has a career ERA of 2.21. He also has a career postseason ERA of 0.70.
Mariano Rivera has 3 career at bats without a hit. He is also 0-3 in postseason at bats.
The Dallas Cowboys hold the record for most postseason appearences with 28. They also hold the record for most postseason games played with 54.
Mariano Rivera of the New York Yankees with 34 2/3 scoreless playoff innings between 1998-2000.
Through the 2010 postseason, Mariano Rivera has the most saves, with 42.
Bernie Williams holds the record for most career postseason RBIs with 80.
As of 2009, Andy Pettitte holds the record for most career postseason wins with 18.
He has a postseason record of 5-7, which includes a Game 4 World Series victory in 2004 when he was a member of the Boston Red Sox.