He said: "Milan is fine. I just think he looked a little bit jaded last week at Bolton. To be fair, he's had to play a lot of games since he joined us. In the build-up to Bolton he'd played for the Czech Republic in a friendly against the Republic of Ireland.
"That's a lot of games for someone who had not even been playing regularly in France. He'd been on the bench a lot of times. It's going to take its toll on the lad. He's gone from not playing to playing three games in a week and it just took the edge off him against Bolton.
"It's not his fault, he's fine. He's a quality player, he just needs some games. Against Chelsea the other week I thought he did great. He worked his socks off and never stopped running. He put in so much.
"He looked tired against Bolton but it's not a problem, the fitness levels will come and he'll start scoring goals for us soon."