Saquon Barkley is Already Better Than Zeke AND Gurley, Says Victor Cruz

[[tmz:video id="1_xayxj81o"]] It's only been 13 games ... but Giants star rookie Saquon Barkley is ALREADY the best running back in the NFL -- so says Victor Cruz. Of course, the ex-NY star is super biased ... dude still bleeds Giants blue -- but he…