his performance on Tuesday showed he has no idea yet how to boss a match at senior level - something which Dennis has been excelling at for years, and which he did yesterday to perfection.
A real number 10 has to control games and Bentley's a long long way away from doing that.
True, but his performance on tuesday was also out of position. As Wenger said yesterday, Bentley is a central support striker and is only being played out wide left as a part of his maturing process. How many games would Bergkamp have dominated had he been played as winger?