Secrets, acting & 16 years unbeaten - in camp with Usyk

Usyk, who holds the WBA (Super), WBO and WBC belts, is yet to taste defeat in 24 fights as a professional - winning 15 inside the distance. The last time he left the ring without having his arm raised was as an amateur in 2009 at the AIBA World Championships. That loss to Russia's Egor Mekhontsev 16 years and eight months ago, before Usyk married his wife Yekatarina and started a family, was pivotal on his path to greatness. …