Edson Barboza vs. Gilbert Melendez in the works for UFC on FOX 20

A lightweight matchup between Edson Barboza and Gilbert Melendez is in the works for July 23's UFC on FOX 20 event in Chicago.
Globo originally reported the matchup Wednesday, and MMA Fighting has since confirmed.
Barboza (17-4) is coming off the biggest win of his career, a unanimous-decision victory over former UFC lightweight champion Anthony Pettis at UFC 197.
Barboza repeatedly blasted Pettis with kicks throughout the bout, controlling the stand-up portion of the fight and cruising to victo