Medvedev meltdown: How to deal with outbursts and remain cool in sport

Daniil Medvedev suffered a shock first round lost at The US Open to Benjamin Bonzi, during which play was interrupted by a photographer, leading to Medvedev going on a rant to the umpire, along with smashing his own racquet at the end of the game.

Sports psychologist Dr Aoife Quinn joins Kieran to discuss.