Derby County boss Paul Warne believes they’d be in huge trouble if they were to lose Nathaniel Mendez-Laing through injury. Derby County kept the pressure on Portsmouth at the top of League One by beating Reading 2-1 last night. A terrific finish from Dwight Gayle and a calmly taken penalty from Conor Hourihane gave the hosts a narrow victory, although the statistics suggest it should have been more comfortable. The Rams dominated 55% of the ball and registered 18 shots on goal with the Royals scoring from just their first and only shot on target in the match. Paul Warne was pleased to have co…