IBF heavyweight champion Anthony Joshua shared a clip of how he’s preparing for his first title defence, against Dominic Breazeale on June 25 at the O2.

Or as he says: “Regardless of the expectations and predictions, I have to train hard! No one else gets in that ring or takes punches for me! Discipline, dedication, determination.”

Watch him below:

no bicep curls. no max bench press. This is 100% conditioning #FitnessFam #LifeStyle

A video posted by Anthony Joshua (@anthony_joshua) on