Sir Jim Ratcliffe will need to rediscover ruthless streak after Lisandro Martinez plunged Man United into chaos

Not content with frying Manchester United's football leadership group live on English TV, Lisandro Martinez walked a few steps down the corridor at Atletico Madrid's Metropolitano stadium and proceeded to tell an American audience exactly what he thought of the people in charge of the club he plays for as well. Jaws hit the floor when Martinez's astonishing interview with Amazon Prime hit TV screens and tablets late on Tuesday night.