There's a song way more important than the Intro song, call it the locker room song. The song that brings the team together. To stick with what has been working it needs to be something older, inspirational, something you can throw your arm around your teamate's shoulders and sing out real loud while you sway slowly back and forth.
2004 - "Hard Fighting Soldier"
2010 - "Lean on Me"
2011 - ??
My vote
Now all we need is to get Trooper to learn to play harmonica and grow the Luther Vandross jheri-curl