Manchester United have swiftly become the laughing stock of the Premier League under the management of David Moyes this season.

But the last people you would expect to be laughing at the expense of the Premier League champions were two of his peers.

However, after Moyes went back to old side Everton to sign Marouane Fellaini and then to rivals Chelsea for Juan Mata, both Roberto Martinez and Jose Mourinho appeared to be laughing about their lack of impact at Old Trafford since…