Can Anthony Joshua handle the challenge from Rob Beckett and Romesh Ranganathan? It must be a daunting prospect for the world heavyweight champion... Rob fancies himself as a boxing expert. Romesh? Not so much. Before they take on Joshua, Rob takes Romesh on a boxing crash course involving a live fight at The O2 plus a gruelling gym session worthy of a world champion!

Comedian mates Rob and Romesh meet and train with some of the NFL's biggest stars. Then, they get kitted up for a match in front of 80,000 people.