 Anthony Joshua say boxing undercard match wey women go fight fit happun on di day of im Saudi Arabia rematch wit Andy Ruiz Jr . Joshua , 29 , dey target to get back di IBF , WBA and WBO world heavyweight titles inside  Clash on di Dunes  wey go happun for Diriyah on 7 December .  B-PER I-PER O O O B-LOC I-LOC O O B-PER I-PER I-PER O B-PER O B-DATE O O O B-LOC O B-DATE I-DATE O 