Phil Smith's Sunderland AFC player ratings: Who shone and struggled in limp Lincoln City defeat?

Tyler Walker netted twice for the Imps as they sealed a deserved three points at Sincil Bank. Indeed, the margin of victory could have been greater with the hosts also missing a second half penalty on an afternoon where Sunderland struggled to fashion any meaningful opportunities. But who shone and struggled in Lincolnshire? Scroll down and click through the pages to see how our Sunderland AFC writer, Phil Smith, rated the individual performances in the defeat: