Joseph Parker: On his crazy sleep schedule ahead of IBF title against Daniel Dubois

Plans for a step up in intensity for heavyweight boxer Joseph Parker when he challenges IBF champion Daniel Dubois in Saudi Arabia on Sunday. The Kiwi-Samoan will look to become a two-time world champion, after capturing the WBO title back in 2016. Parker says he'll need to play it smart against Dubois. LISTEN ABOVE See omnystudio.com/listener for privacy information.