Anthony Pettis faces Charles Oliveira in featherweight debut at UFC on FOX 21

Anthony Pettis has his first opponent as a featherweight.
The former UFC lightweight champion takes on Charles Oliveira at UFC on FOX 21 on Aug. 27 in Vancouver, FOX Sports reported Wednesday, per UFC executive Tom Wright.
Pettis (18-5), once considered one of the top pound-for-pound fighters in the world, lost three straight at lightweight before deciding to move down a weight class. "Showtime" dropped the belt last year to Rafael dos Anjos, then fell to Eddie Alvarez and Edson Barboza. Pettis,