What jersey number did Drew Brees wear with the Saints?

Which college was Brett Favre playing for when he entered the NFL? What jersey number did Brett Favre wear with the Packers? What position did Drew Brees primarily play? Which college was Drew Brees playing for when he entered the NFL? What position did Aaron Rodgers primarily play? Which college was Aaron Rodgers playing for when he entered the NFL? What jersey number did Aaron Rodgers wear with the Packers? What position did Patrick Mahomes primarily play?