Deontay Wilder remains undefeated with 10th-round KO of Luis Ortiz Unknown 00:07 The Alabama native retained the WBC heavyweight championship, though it wasn't easy against the previously unbeaten Cuban. Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsPremier League: Bournemouth forward Jermain Defoe could miss up to 10 weeks due to ankle injuryPremier League: Arsenal's Jack Wilshere targets regular spot in first team after 'patient' display against LiverpoolShubhankar Sharma relishes prospect of playing with 'idol' Tiger Woods at next year's Open ChampionshipLa Liga: Real Madrid defender Marcelo says title race is not over despite crushing defeat against BarcelonaPremier League: Southampton striker Charlie Austin slapped with three-game ban for violent conductPro Wrestling League: 20 Olympic and World Championship medallists to take part in showpiece event