Gregory Corbin discusses facing Filip Hrgovic, sparring with Anthony Joshua Unknown 01:58 The heavyweight from Texas says that working with a champion can only help him deal with a rising contender in the ring. Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsWeek 2 NFL Survivor Pool picks, advice, strategyEFL Championship side Bolton Wanderers avoid insolvency and points penalty after agreeing repayment deal with creditorBellator to hold first event in Hawaii with Ilima-Lei Macfarlane title defense, Lyoto Machida debutUS Open 2018: Naomi Osaka refuses to criticise Serena Williams after controversial final, focused on WTA Finals qualificationISSF World Championships: Udhayveer Singh wins individual gold; leads Indian team to top spot in junior men's 25m pistol eventDavis Cup: Rafael Nadal's absence 'changes everything', says France skipper Yannick Noah