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Single Season Completion Percentage at 70.8 percent
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).
76.7% held by Colt McCoy of the University of Texas
As far as completion percentage goes, for QBs that started at least 8 games in the 2008 season that was Derek Anderson (started 9 games) of the Cleveland Browns who had a 50.2 completion percentage on 142 completions in 283 attempts. The 2008 Browns were the only team in the NFL that season to have a team completion percentage of under 50 percent. Brady Quinn started 3 games and had a 50.6 completion percentage (45 completions in 89 attempts), Ken Dorsey started 3 games and had a 47.3 completion percentage (43 completions in 91 attempts), and Bruce Gradkowski started 1 game and had a 33.3 completion percentage (7 completions in 21 attempts).
Tom Brady's worst record as a starting quarterback was in the 2002 season when he led the Patriots to a 9-7 record.
Dan Marino holds the record for passing yards in a season with 5084 in 1984.
The NFL record for most rushing yards in a single season by a quarterback is 1,039, set by then Atlanta star Michael Vick during the 2006 season.
Kurt Warner.
aaron rodgers
Andre Woodson, a quarterback from Kentucky holds the record for most touchdown passes in a season with 40 in 2007
MICHAEL STRAHAN 2001 Season with 22.5 Sacks