Joshua Buatsi 'open' to potential world title rematch with Zach Parker, if he beats dangerous puncher Umar Dzambekov

Joshua Buatsi edged out Zack Parker in a tight contest last year but is open to a rematch, potentially for a world title; Parker must beat dangerous Umar Dzambekov; Watch Parker vs Dzambekov live on Sky Sports digital platforms from 5pm on Saturday