Ferguson told leaguemanagers.com: 'If he wants to do it he'll be an absolutely brilliant manager. No doubt about that.' Keane, who only recently made his comeback after a lay-off following a hip injury, is sidelined for tomorrow's home Champions League match against Basle after picking up a hamstring strain against Leeds. But Ferguson expects him back to face Liverpool next month. Keane has had to temper his customary box-to-box style following his injury problems, although Ferguson has not noticed a significant change.