Steve young had 340 yards in a playoff game which is the most passing yards a quarterback has thrown in a NFL game.
Norm Van Brocklin. 554 passing yards. 1951.
Brett Farve has the most career passing yards in NFL history with 69,369 yards over 19 seasons. The closest active NFL player is Peyton Manning with 50,128 yards over 12 seasons.
Norm Van Brocklin with 554 yards
Brett Favre holds the record for most career passing yards, with 71,838.
Brett Favre has the most passing yards in the NFL.He has 71775 and last season had six 300 and over passing yard games.
As of the 2008 season, in the NFL the most passing yards in a single season is 5,084 by Dan Marino of the Miami Dolphins in 1984.
Drew Brees of the 2011 New Orleans Saints with 5,476 passing yards.