NEW YORK — Saquon Barkley knows there is a possibility that Sunday’s finale against the Philadelphia Eagles could be his last game as a Giant. The running back admitted in a candid Wednesday interview that he still wants to be a Giant for life, but the idea of a “fresh start” or “clean slate” in some fashion has crossed his mind during a discouraging season like this. The Giants have the ability to franchise tag Barkley, 26, a second straight offseason to retain him for an extra year. So he could be back on another one-year deal. But Barkley stressed that this is the time in his career that he…
