Drew Brees - New Orleans 2008-2009 season 5069 yards Dan Marino - Dolphins 1984 5084 yards ---- Through the 2008 season, Ken Anderson of the 1982 Cincinnati Bengals has the best NFL single season pass completion percentage at 70.6 (218 completions in 309 attempts).
Chat with our AI personalities
The most passes completed in a season by an NFL quarterback is 468. The record was set by Drew Brees for the New Orleans Saints in 2011.