The quarterback who holds the record for the most passing yards in a single playoff game is Norm Van Brocklin, with 554 yards.
The quarterback who holds the record for the fewest passing yards in a single NFL game is Jack Concannon, who only threw for -7 yards in a game in 1972.
Wuerrfel
510 yrds
Chuck Hartlieb - 558 yards
On December 20, 2009, against the Green Bay Packers, Ben Roethlisberger set the Steelers single game record for most passing yards. He completed 29 of 46 passes for 503 yards.
Former Bears quarterback Sid Luckman holds this record passing for 7 touchdowns on November 14th 1943.
Dan Marino holds the record for most passing touchdowns in a championship game
Matt Flynn with 480 passing yards against the Detroit Lions on January 1, 2012.
Chris Weinke with 423 yds in 2004 againist NYG.
On December 20, 2009, against the Green Bay Packers, Ben Roethlisberger set the Steelers single game record for most passing yards. He completed 29 of 46 passes for 503 yards.
Johnny Lujack passed for 468 yards for the Chicago Bears on December 12th 1949.