By Daniel Chavkin The Giants running back received some harsh criticism from an offensive coach. View the original article to see embedded media. Saquon Barkley has had a tough few years recently, between injuries and struggling to perform on a bad team. That performance has apparently led to some doubts about who Barkley is as a player in the NFL. ESPN’s Jeremy Fowler put out his rankings of the top 10 running backs in the leagues according to coaches and executives, and Barkley was an honorable mention this year, a drop from being No. 1 two years ago. According to one offensive coach, Barkle…