STEVEN Schumacher urged his Stoke City side to be more clinical in front of goal as yet more chances went begging in their defeat at Sunderland. The Potters have now lost back-to-back games after Schumacher had initially enjoyed a five-match unbeaten run after leaving Plymouth to take charge of the club. Stoke’s mini slump in form means they remain 19th in the Championship. Schumacher’s men trailed 3-0 after 70 minutes to goals from Mason Burstow, Abdullah Ba and Pierre Ekwah – and even the goal they scored was an own goal, from Sunderland’s Jenson See...