"I may bring in the boy Welbeck, possibly from the start," he said. "The boy has a chance of making it. We think he has that temperament.
"I think we want to keep Cristiano Ronaldo as a wide player, so we are short up front. Louis Saha is not back and we could have played Ryan Giggs through the middle but I think Welbeck has got the temperament.
"We will see tomorrow but I need to be very, very clear about everyone's fitness."