The UFC is returning to Canada in August, and a former champion will debut in a new division on the card. Ex-lightweight champ Anthony Pettis (18-5 MMA, 5-4 UFC) will make his drop to featherweight at UFC on FOX 21 when he meets Charles Oliveira (21-5 MMA, 9-5 UFC). FOXSports.com first brought news of the booking and event today, which later was announced by UFC officials. UFC on FOX 21 will take place Aug.
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