Canelo Alvarez could have 'influenced' referee in Christian Mbilli fight, says promoter Camille Estephan

Canelo Alvarez beat Christian Mbilli by unanimous decision to win back the WBC super-middleweight title in Riyadh; Mbilli docked point in eighth round for hitting the back of the head; Watch Chris Billam-Smith fight Cheavon Clarke on November 7, live on Sky Sports