He said: "I still believe that Man United and Arsenal will be the biggest threat, in spite of the fact Arsenal finished fourth and
"I say that because of the quality of their football, the way they play, the improvements in their squads.
"Man United will improve a lot by having Michael Carrick. He's a very, very good player and he will improve them.
"United have had some problems since Roy Keane went to Celtic. But they have already a very good team and don't need 10 players to improve their team, they just choose the right players for the right position.
"It's the right choice to get Michael Carrick. He's a big improvement for them and I think they can be a very strong team."