Journalist Michael Graham has revealed the key difference he’s noticed in Sunderland under Regis Le Bris this summer. Sunderland under Regis Le Bris played their third pre-season friendly on Friday evening. The Black Cats are currently in Spain for a pre-season training camp where they play two friendly fixtures. Le Bris’ men took on Nottingham Forest on Friday and drew the game 1-1, with Jack Clarke scoring from the spot. So far this summer, Sunderland have beaten South Shields 5-0, lost 2-1 to Gateshead, and drawn with Nottingham Forest. Sunderland have four more friendly games left before t…