Anthony Joshua insists beating Wladimir Klitschko will 'not define him' ahead of Joseph Parker clash
![Anthony Joshua insists beating Wladimir Klitschko will 'not define him' ahead of Joseph Parker clash](http://i.dailymail.co.uk/i/newpix/2018/03/26/11/4A67344500000578-0-image-m-6_1522059968531.jpg)
Joshua is bidding to unify the WBA and IBF world titles he won when he beat Wladimir Klitschko last April with Parker's WBO at Cardiff's Principality Stadium this Saturday.