Reaction to Dillian Whyte's positive test for a banned substance in the run up to his fight with Oscar Rivas. His promoter Eddie Hearn says Whyte was "cleared to fight" by a hearing, while Whyte himself insists he won the fight "fair and square". Mike and Steve explain what we know up to this point, and look at the wider issue of how testing for banned substances is carried out in boxing. Then. Deontay Wilder explains why he still feels connected to the grass roots of the sport, as he visits a famous amateur gym in south London.