For the first time in over a decade TJ De Santis returned to the radio show where his podcasting career began. On this episode of the newly relaunced "MMA Evolution" De Santis welcomed back co-host Caleb Quinn to discuss a variety of MMA topics. Including the upcoming showdown between Tito Ortiz and Chael Sonnen, the explosion of jiu-jitsu competitions, and what makes the UFC's welterweight division so exciting. It's "MMA Evolution" on the Sherdog Radio Network!