Light heavyweight champion Adonis Stevenson (26-1, 21 KO's) will face Tommy Karpency (25-4, 14 KO's) September 11th in Toronto on PBC on Spike. Stevenson announced the fight earlier today. Karpency is coming off a four fight win streak since losing to Fonfara back in 2012. Stevenson is coming off a hard fought victory over Sakio Bika in his PBC debut. Ticket information for the fight will be released shortly