 And despite his age he threw just as many 40+ yard passes as top 29 yr old QB Peyton Manning - six - in seven fewer games, which was the same amount as his Super Bowl year which had four more games.Johnson was named the starting quarterback for the Vikings 2006 season, and a few days before the second game he turned 38 which made him the oldest starting quarterback in the league.Many felt his quick-release style was a good fit for then-new coach Brad Childress's highly touted West Coast system.