Racing Métro’s Jamie Roberts leaves Luther Burrell and Northampton trailing

• Northampton 8-32 Racing Métro• Roberts fired up for Wales’s Six Nations game against EnglandNorthampton qualified for the knock-out stage of Europe’s top competition for the first time since they reached the final in 2011 but that was scant consolation for the Premiership champions who were overwhelmed by a Racing Métro side whose only previous away victories this season had been at Montpellier and Treviso.For all the lavish amounts of money spent by the Racing president, Jacky Lorenzetti, their record in the European Cup or its predecessor before this season was underwhelming but the…