It will take between 5 and 6 months for him to return to action. Arsene Wenger told Arsenal.com "I expect Robert will be back in October, or maybe November, if we start his recovery from May 1."

Meanwhile Sol Campbell could make a quick return from hamstring trouble. He is targeting the Bolton game on Monday, hoping to play himself back into contention for the Cup Final (never mind the World Cup, eh?). Sylvain Wiltord returns to training tomorrow, so it looks like he'll have to be push it a bit to get to start the final.