Brock Lesnar made an appearance at UFC 226. According to journalist Jeremy Botter, Lesnar will fight for the UFC Heavyweight Championship in November at Madison Square Garden. Botter also said that Lesnar has reportedly already entered the USADA testing pool but is hidden from public viewing:
https://twitter.com/jeremybotter/status/1015809467437518850
https://twitter.com/jeremybotter/status/1015806269557542912
Brock Lesnar octagon side at #UFC226 w/ Dana White. Perhaps he’s waiting in the winner of
Miocic-Cormier pic.twitter.com/1j21W3UU5j— Dan Hellie (@DanHellie) July 8, 2018
Brock Lesnar in the building! Business just picked up. pic.twitter.com/HoJHE00Fid
— Chamatkar Sandhu (@SandhuMMA) July 8, 2018