Sunderland may regret not signing an ‘incredible’ player after his latest heroics. Sunderland fans won’t want to be reminded of their multiple mistakes over the last year or so, with their summer transfer activity particularly concerning. Despite signing the likes of Amad Diallo, Dan Ballard and Aji Alese upon their return to the Championship, the Black Cats were unable to follow it up the second time round. The arrivals of players such as Luis Hemir Semedo, Mason Burstow and Bradley Dack have been extremely underwhelming, leaving supporters to wonder what could have happened if they had appro…