The French international team-mate of United's new signing believes he will cut it at Old Trafford.
Former Spurs chairman was disappointing with the Manchester City star's performance for England, comparing him to Erik Lamela.
Celtic captain Brown is still not up to full fitness.
Manchester City's Fabian Delph lasted just 20 seconds for England.
The goalkeeper has kept two clean sheets in his first two Under-21 caps, coming in a week when he was linked with Tottenham and Aston Villa.
Statistically, who have been Tottenham's top performers so far this season?
Wayne Rooney became England's highest ever goalscorer on Tuesday.
The Gunners legend suggests the former Tottenham and Nottingham players were two of the best transfers of the recent offseason window.
Will Raheem Sterling have a better season at Manchester City than he did Liverpool a year ago?
In what was a tight match in the first half, Spurs star Harry Kane netted off the bench before Wayne Rooney's record breaking penalty.