In the AFC grudge match to end all grudge matches, the Steelers take on the the Ravens, in the Divisional Playoffs. Both teams play hard, and backing them up is some of the toughest Defenses in the league - two immovable objects.

At the heart of the the Steelers Defense is Strong safety, Troy Polamalu. Polamalu started as a first round Draft pick in 2003, and has gone on to be fielded in three Pro Bowls, helped the Steelers win the 2006 Super Bowl, and is tied the NFL record for most sacks, 3, in a single game by a safety.

Ravens Ray Lewis, like Polamalu, is a beast. Since being drafted, almost 15 years ago, he's been to 12 Pro Bowls, has been the NFL Defensive Player of the Year twice, and is considered to be one of the top 20 players to ever play!

Who do you think is the immovable object? Who will push their team to a Divisional Playoff win?

Who's your pick - Polamalu or Lewis?