• Amit Bhatia unhappy at award of crucial Chelsea penalty• QPR sign midfielder Samba Diakité on loan from NancyThe Queens Park Rangers co-owner and vice-chairman, Amit Bhatia, has called for the introduction of a challenge system similar to that used in cricket and tennis after seeing the club eliminated from the FA Cup by Chelsea courtesy of a dubious penalty.The referee, Mike Dean, awarded the visitors a spot-kick just after the hour on Saturday when Daniel Sturridge fell to the turf under challenge from Clint Hill. Contact appeared minimal, with QPR incensed at the decision as Juan Mata converted the resultant spot-kick.The Rangers ma...