WWE set to reveal Brock Lesnar’s opponent for SummerSlam on August 21 in Brooklyn before UFC 200

WWE announced on Monday night during RAW that Brock Lesnar’s opponent for SummerSlam on August 21 will be revealed this Thursday night on Smackdown.

Lesnar makes his return to mixed martial arts this Saturday night at UFC 200 taking on Mark Hunt in the co-main event live on PPV.