Super Bowl: Pats vs Rams in a meeting of Past vs Future

It began in 2002, back when the Rams were in St. Louis and the Patriots were a plucky underdog standing in the way of a potential dynasty.So much has changed.This hasn't: Bill Belichick and Tom Brady.The duo, every bit as formidable now as when they won that first title, face the Rams, now back in Los Angeles, in a Super Bowl rematch of sorts that pits the NFL's past against its future.At 32, Sean McVay is the youngest Super Bowl coach. At 66, Bill Belichick has an NFL-record 30 playoff wins.At