Roy Keane has indirectly fired a warning at Sunderland after the exits of Alex Pritchard, Danny Batth and Lynden Gooch. Sunderland‘s young team were well-loved across the EFL last season for the fast-flowing, exciting football. The likes of Jack Clarke, Amad Diallo and Dan Neil lit up the Championship as they reached the play-offs at the first time of asking, while they proved to be an absolute delight to watch for supporters. The likes of Ross Stewart, Alex Pritchard, Danny Batth, Lynden Gooch and Bailey Wright have since left the club though, drastically decreasing the average age of the Sun…