Brett Favre is the all-time career passing yardage leader in the NFL.
At the start of the 1970 NFL season, the all time leader in passing yardage was John Unitas with 35,502. Y.A. Tittle was second with 33,070.
Emmitt Smith with 18,355 yds. as he retired in 2004 and started his NFL career in 1990
No. Statistics are broken out by regular season and postseason. Yardage or interceptions or such that is done in the postseason will count towards that player's career postseason stats.
The quarterback who threw for the most yardage in the 2009 season was Matt Schaub, then of the Houston Texans. His total yardage was 4,770 yards.
No. Not in the NFL, only in college football
Jerry Rice with 23,546 yards
Through Week 10 of the 2008 season, the NFL record for passing yards per game in a career is held by Kurt Warner of the Arizona Cardinals at 259.9. Peyton Manning is second at 258.1 and Dan Marino is third at 253.6.
Barry Sanders, a running back for Oklahoma State University, was the winner of the 1988 Heisman Trophy. Sanders went on to a Hall of Fame career in the NFL playing 10 years with the Detroit Lions and finishing his career third in NFL all time rushing yardage with 15,269.