Premier League Mourinho has asked them to dial it down

Intensity is what a coach asks from their players during training sessions, although Manchester United's Marcos Rojo has stated that he and Zlatan Ibrahimovic might have crossed the line on some occasions.

The Argentine defender claimed that his coach Jose Mourinho has even demanded they slow down their game to prevent injuries.

"[Mourinho] always tells us to play calmly in practice because, with Ibrahimovic, we kill each other with kicks," he told the TV program 'De Futbol Se Habla Asi'.

"He's always happy and close to the players.

"He helped me a lot, he got the best out of me."

Rojo went on to give his opinion on the Swedish striker.

"He's an amazing character, but for those who don't know him, he seems big-headed," he noted.

"He's a phenomenon, he's a beast who goes forward and wants to win everything."

Both players have just returned from injuries.