EAST RUTHERFORD, N.J. (AP) — Saquon Barkley recently did some research, studying the NFL record book as if he were preparing for a game. The New York Giants running back was curious as to what some of the greatest players at his position accomplished in the playoffs. He sat wide-eyed as names such as Emmitt Smith, Eric Dickerson, Franco Harris and John Riggins jumped off the page — all Pro Football Hall of Famers who cemented their marks when it counted most.