Another "cowboy" will step in to face Donald Cerrone at UFC Fight Night 83.
Oliveira (14-2-1, 1 NC) moves back to the welterweight division after knocking out Piotr Hallmann in November. Prior to the lightweight bout, the Brazilian defeated K.J. Noons and Joey Merritt in welterweight fights.
Holding a 15-4 UFC record as a lightweight, Cerrone (28-7, 1 NC) decided to fight at 170 pounds after losing to 155-pound champion Rafael dos Anjos in December. Prior to the defeat, "Cowboy" scored eight straight victories with five finishes.