By Alek Arend Nearly four years ago, the New York Giants spent their No. 2 overall pick on Penn State star running back Saquon Barkley. He was supposed to become the face of the franchise. Fast forward to 2022, Barkley has become somewhat a liability because of injuries and inconsistent play. And now, he could potentially be on the trade block. The Giants picked up Barkley’s fifth-year option last year, meaning he’s on contract this upcoming season. However, there’s speculation the Giants would like to find a trade partner for the former college football star before he walks for free in 2023. …