Sunderland have taken one big step to offloading one of last season’s key players. The Black Cats sold Jack Clarke for £15 million last week, but have otherwise done well to keep their senior players at the club. However, with the arrival of Chris Mepham, Salis Abdul Samed, Milan Aleksic and an unknwon striker expected before the deadline, Sunderland are also set to allow some fringe players to leave. The biggest name that has been rumoured to be on his way out of the Stadium of Light is Pierre Ekwah, who was a regular in the starting line-up last season. He has struggled for form for almost a…