The Giants defeated the previously unbeaten Patriots in Super Bowl XLII, but in a league where so much changes week-to-week, it's unrealistic to expect a rematch of that game four years ago. With just 23 of the 106 players in that game active and still employed with the same team, most of the faces in this one will be new. Still, the quarterbacks and coaches are the same, and the rivalry is still strong. And once again, this game means everything. With that, we take a look at five things that have definitely changed since that last Super Bowl, and five things that probably haven't.