What jersey number did Brett Favre wear with the Packers?

What jersey number did John Elway wear with the Broncos? What position did Brett Favre primarily play? Brett Favre is best known for playing with which NFL team? Which college was Brett Favre playing for when he entered the NFL? What position did Drew Brees primarily play? Which college was Drew Brees playing for when he entered the NFL? What jersey number did Drew Brees wear with the Saints? What position did Aaron Rodgers primarily play?