A pair of middleweights will square off in August at UFC 163: Aldo vs. Pettis, as Tom Watson welcomes Thales Leites back to the Octagon.
The match will go down from Rio de Janeiro, Brazil on August 3.
Leites (20-4) will be making his return to the Octagon after a four-year hiatus. He is a one-time contender to Anderson Silva’s title reign.
Watson (16-5) is 1-1 in his two UFC bouts, including a recent win over Stanislav Nedkov.