Say what you want about how the help that Terry Bradshaw had with the Steel Curtain defense and Franco Harris in the backfield, but no Quarterback wins four Super Bowls without being an excellent player.
The 2004 NFL Draft yielded Eli Manning and Philip Rivers, but it was Ben Roethlisberger, the third QB taken, who won the Super Bowl first.
If you got past the Steel Curtain, you were not that lucky. You had Mel Blount to contend with.
In terms of recent popularity, it is hard to come up with a player who exceeds Troy Polamalu.