Joseph Parker vows to detonate Anthony Joshua's chin and unify world heavyweight titles in head-to-head on The Gloves Are Off

Anthony Joshua (L) and Joseph Parker (R). [Photo: Courtesy]

Joseph Parker has vowed to detonate Anthony Joshua 's chin and snatch his world heavyweight titles to unify the division at Cardiff this month.

The New Zealander, who holds the WBO belt, made the bold claim during the pair's head-to-head on the customary Gloves Are Off to build up to the showdown on March 31.