Floyd Mayweather vs Conor McGregor... forget that! Anthony Martial and Joel Pereira enjoy playful fight during Manchester United's pre-season tour of America

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They may have entertained thousands in London on Friday night ahead of their bout next month, but across the Atlantic not all the fighting build-up is to Floyd Mayweather versus Conor McGregor.

Over in America, Manchester United are currently enduring double sessions in pre-season ahead of the new campaign.

However, two of their stars managed to find some time away from the hard work to have a bit of fun in and around their training.

Joel Pereira (left) and Anthony Martial embarked on a playful fight during training on Friday

The Manchester United duo showcased their fighting skills at their Los Angeles training base

Pereira 'throws' a right hook at his Red Devils team-mate during the fight

Anthony Martial and Joel Pereira swapped football for boxing as they engaged in a playful mock fight on Friday.

The duo even took inspiration from McGregor's UFC background by displaying some mixed martial arts skills before Martial 'knocked out' his team-mate.

United took to Instagram to share the light-hearted video with the caption: 'Forget @FloydMayweather and @TheNotoriousMMA – @JoelPereira1 v @Martial_9 is where the real action's at! #MUTOUR.'

Pereira took inspiration from UFC Conor McGregor by displaying some mixed martial arts

The Portuguese goalkeeper demonstrates his flexibility with this high kick

However, Martial proved too much for his team-mate as he 'knocked' him down to the turf

United's No 11 looks back at the camera after defeating the club's third-choice goalkeeper

Red Devils boss Jose Mourinho will be hoping the duo are fighting on a United front when they face LA Galaxy in their first match of pre-season on Saturday.

United's other fixtures across the Atlantic are against Real Salt Lake (July 17), Manchester City (July 20), Real Madrid (July 23) and Barceona (July 26).

The Old Trafford outfit then head to Oslo to face Valerenga (July 30) before finishing with a friendly against Sampdoria (August 2).  

Martial will be hoping to deliver a knockout blow to LA Galaxy in United's first pre-season game

Pereira will also be hoping to show his worth if given an outing in goal on Saturday night