Championship roundup: Cardiff sink Swansea as Hull grasp vital victory / Matt Peet calls for more from Wigan Warriors after victory against Hull FC / Smith insists 'drastic' Hull FC sacking not 'smart step' / Hull KR's Jez Litten eager to bag Good Friday derby win over former side Hull FC / Leigh flatten Hull FC for first win of season / FA Cup roundup: Wolves set up Black Country derby; Birmingham see off Hull