UFC middleweight champion Israel Adesanya will face Paulo Costa at UFC 253, per Combate.
Ariel Helwani of ESPN confirmed the report and said that a location is to be determined for the fight, which is slated for Sept. 19.
Adesanya holds a perfect 19-0 record (8-0 UFC). Fourteen of his wins have come via knockout. His most recent fight occurred at UFC 248 in March against Yoel Romero, which ended with a unanimous-decision win.
The fourth-ranked pound-for-pound fighter in UFC's rankings will take on the No. 2 middleweight contender in Costa, who is also undefeated (13-0) and coming off a unanimous-decision win over Romero.