Paul Warne has provided an update on Dwight Gayle’s injury after his presence was really missed against Northampton Town. Derby County were plunged into disarray when the news broke that James Collins was set for a spell on the sidelines last month. The striker had netted 13 goals in League One this season, and injuries to Conor Washington, Martyn Waghorn and Tyreece John-Jules left the Rams’ options very limited. They worked fast to bring in his replacement though, and fans were left encouraged by the arrival of Dwight Gayle on a free transfer. The 34-year-old bagged three goals in six games …