 It featured fighters such as Frank Shamrock, Guy Mezger, Vernon "Tiger" White, Jerry Bohlander, Tra Telligman, Pete Williams, and Mikey Burnett.The Lion's Den now features many new training facilities, including Lion's Den Arizona, Lion's Den Connecticut, and Lion's Den Reno.The team was founded out of necessity, as the then-new sport of mixed martial arts began to take off in the early-to-mid 1990s.