As previously reported, Brock Lesnar will return to UFC for a one-off fight at UFC 200 on July 9th in Las Vegas.
Dave Meltzer noted on Wrestling Observer Radio that an opponent for Lesnar has not been revealed but will likely be announced Monday night on ESPN.
The deal for Lesnar's UFC return was finalized recently but Lesnar reportedly started training for the fight in April. The rumors started a week ago when the UFC website added Lesnar back to their active fighter roster but quickly removed him. Dana White was asked about Lesnar returning at weigh-ins on Friday but he said there was nothing to the rumors.
WWE confirmed in a press statement that Lesnar is scheduled for SummerSlam in August.