Michael Brown
Former Tottenham midfielder on BBC Radio 5 Live
I think Kobbie Mainoo is going to learn so much from the aura of Casemiro. The timing of their careers will be really good for each other.
Man Utd's Champions League target
Aston Villa v Man Utd (16:30 GMT)
Simon Stone
BBC Sport at Villa Park
Manchester United come into this game nine points off behind fourth-placed Tottenham, with a game in hand, and eight adrift of Aston Villa, who they beat at Old Trafford on Boxing Day.
Victory for Erik ten Hag's side would give them a realistic chance of muscling their way into contention over the final third of the season.