Vinny Testaverde - 123 losses
Through the 2008 season in the NFL, that is Brett Favre with 310 career interceptions.
Joe Montana with 16 playoff wins.
The professional life of an NFL quarterback is short. The average length of an NFL quarterback's career is only 4.4 years.
I'm not positive, but my money would be on Kordell Stewart, with 41 receptions.
Quarterback Billy Volek had a 9 year NFL career.