D'Alessandro: Giants, 49ers show that in the playoffs, it's all about the defense

Andrew Mills/The Star-LedgerGiants defensive end Dave Tollefson (left) and New York Giants defensive end Jason Pierre-Paul celebrate after the defense sacked Green Bay Packers quarterback Aaron Rodgers on a key fourth down in the fourth quarter of Sunday's playoff win.By Dave D'Alessandro - Star Ledger 1/17/12