26-year-old Williams has been training hard in a bid to take out the New Zealand heavyweight boxing title, and has had four competitive fights over the last three years - winning each one including two by knockout. The highly anticipated 10 Round Battle for the Belt will see the All Blacks star face off against a strong and more experienced opponent with credible ring time, with Williams fighting for the first time in a 10 round fight.
Will Sonny Bill win his first big test?