|Rio will miss the first Champions League encounter too.|
"I still think Rio won't be back until the end of September," said Sir Alex. "It was a knee ligament injury, not the cruciate: it was medial ligaments. It was a freak training ground accident at the World Cup and nothing to do with his back, which was a problem for him last season. But I think he should be back late September." Last season's Premier League runners-up will discover their group-stage opponents in Thursday's draw in Monaco."