Watch Anthony Joshua vs. Joseph Parker (2018) : Full Movie Online Free Anthony Joshua vs. Joseph Parker, billed as Road to Undisputed, was a professional boxing heavyweight unification match contested between Anthony Joshua and Joseph Parker. The event took place on 31 March 2018 at Principality Stadium in Cardiff, Wales, with Joshua's IBF, WBA (Super) and IBO heavyweight titles and Parker's WBO heavyweight title on the line.