Masvidal (22-7) suffered a loss to Gilbert Melendez in his most recent bout, coming up short on the scorecards against the Strikeforce lightweight champ. He earned his shot at the belt by scoring victories over Billy Evangelista and K.J. Noons.
Wilcox (11-4) was last seen falling to Caros Fodor via knockout. He had won six consecutive fights prior to a No Contest with Gesias Cavalcante preceding the loss to Fodor.
Couture (4-1) is the son of UFC Hall of Famer Randy Couture and has come out triumphant in his previous two tilts while Duarte has won five straight bouts to improve his overall record to 10-2.
The show takes place in Portland, Oregon on July 14. The main card, boasting a Strikeforce middleweight title-match between Luke Rockhold and Tim Kennedy, will air live on Showtime with prelims on Showtime Extreme.
PHOTO CREDIT – STRIKEFORCE