July 14, 2021 by Battle Pass Shannon Briggs vs Rampage Jackson Shannon Briggs vs Rampage Jackson All day July 18, 2021 Former 2-time heavyweight champion Shannon “The Cannon” Briggs (60-6-1, 53 KOs) and former MMA superstar world champion Quentin “Rampage” Jackson have exchanged some heated messages on social media of late. Read more Online ticket sales for this event are closed.