Chris Jericho
Another hit WWE star was Chris Jericho in the ’90s. Three times, he also won the World Heavyweight Championship title. He joined Japan Pro-Wrestling later and remains there to this day as well! While still involved in the ring, he is now an investor. He is a D1 Physical Fitness and Therapy co-owner.
Ken Shamrock
Did you know that Ken Shamrock, after his time at TNA and WWF, was the first boxer to win the UFC Superfight Championship? To take martial arts more seriously, he wanted to quit pro wrestling. He had a great deal of success there. His two sons also showed up at the MMA, but were less successful.