 Di big fight wey evri dey wait for dem title am unification rematch , and e go takes place on Dec . 7 for Diriyah Arena - custom - built 15 , 000 - seater venue inside Diriyah , Saudi Arabia .  O O O B-DATE I-DATE I-DATE O B-LOC I-LOC O O O B-LOC O B-LOC I-LOC O 