Wigan loose forward Farrell, who is expected to lead Great Britain against Australia in the Ashes series in the autumn, said: 'It is the way forward. It is a massive temptation to go to union, where you can get a big club contract.' Farrell leads England in tonight's home international at Wrexham against Wales, who have been hit by the loss of six players, including skipper Iestyn Harris and winger Anthony Sullivan.