Ferguson Asks If Keegan Was 'Wise To Return'?
"There are examples of managers doing it and having relative success but no outstanding success, so I will be interested to see how Kevin copes with it.
"Some managers have taken sabbaticals and that's been a problem for them.
"It's difficult to say how it will affect him not having seen any games in three years. He's had a rest and he will have the freshness that brings, so who knows?
"But the game has definitely changed and it's changing all the time."