Hargreaves looking forward to Twickenham return

With a new slot in the calendar, due to the Rugby World Cup, the London Double Header takes place in Round 5 of Aviva Premiership Rugby 2015-16, with reigning Aviva Premiership Rugby Champions Saracens taking on league newcomers Worcester Warriors at 3.15pm, before London Irish clash with their old rivals Wasps at 5.30pm.