Although they lost, Sunderland should take positives from a performance where they went toe-to-toe with the English champions. As he has so often since joining Sunderland last summer, Xhaka was at the centre of many of the best things the Black Cats did against the midfielder's former club. The Swiss leads all Sunderland players in the league this season for touches, chances created, passes played into the box, fouls won and successful passes.