Dan Marino holds the record for passing yards in a season with 5084 in 1984.
Hall of Fame quarterback Troy Aikman holds the record for the most passing yards in a Thanksgiving day game. He threw for 455 yards versus the Minnesota Vikings 11/26/1998.
The Denver Bronco's quarterback who holds the record for the most passing yards in a game was Peyton Manning. He passed the record of Drew Brees
Through the 2010 season, Daunte Culpepper with 4,717 passing yards in 2004.
Matt Flynn with 480 passing yards against the Detroit Lions on January 1, 2012.
As of the start of the 2010 season, Brett Favre holds the career passing yardage record with 69,329. As stands at the start of the 2008 season, Damon Allen still holds the record for most passing yards by a Pro Quaterback at 72,381 and retired prior to the 2008 training camps. He broke the record on September 4th, 2006 meaning at the start of the 2007 season Dan Marino did not hold the Pro Quarterback record for most career passing yards, only the NFL record. Also Warren Moon retired with 70,553 career passing yards as a Pro Quarterback, putting him above Dan Marino in all-time Pro career stats.
Lynn Dickey of the 1983 Green Bay Packers with 4,458 yards.