Jeff Ross is a comedian, writer, producer, and director also known as the "Roastmaster General" from his work on the Comedy Central Roasts. His latest special "Jeff Ross Roasts Criminals: Live at Brazos County Jail" is available now on iTun...

Tait Fletcher is an actor, stuntman, entrepreneur, and jiu jitsu black belt.

Kirik Jenness & Chris Palmquist run the premiere martial arts website on the internet. http://mixedmartialarts.com

Abby Martin is an American journalist and former host of "Breaking the Set" for RT America. Check out her work at http://mediaroots.org

Gad Saad is Professor of Marketing & Concordia University Research Chair in Evolutionary Behavioral Sciences and Darwinian Consumption and author of "The Evolutionary Bases of Consumption" and "The Consuming Instinct"

Brian Redban is a comedian and the founder of the Deathsquad podcast network. http://deathsquad.tv

Jane McGonigal is a game designer and author who advocates the use of mobile and digital technology to channel positive attitudes and collaboration in a real world context. Her new book SUPERBETTER is available September 15, 2015.

Joe is joined by Aubrey Marcus, Brendan Schaub, Bryan Callen, Eddie Bravo, and Tait Fletcher to watch the fights on August 23, 2015.

Michael A. Wood, Jr. is a retired Baltimore police officer and veteran of the USMC. He recently made the news for publicly speaking out against police brutality and has become a proponent of a new era of policing.

Sebastian Maniscalco is a stand up comedian and he also host his own podcast with Pete Correale called "The Pete and Sebastian Show" available on iTunes.

Honey Honey is a band, featuring members Suzanne Santo and Ben Jaffe, from Los Angeles, CA. They released a new album this summer called "3" and are currently touring all over -- http://honeyhoneyband.com/events

Tom Segura is a stand-up comedian, and hosts his own podcast with his wife, Christina Pazsitzky called "Your Mom's House" http://www.yourmomshousepodcast.com

Alonzo Bodden is a stand up comedian and winner of Last Comic Standing Season 3. He also hosts his own podcast called "Who's Paying Attention" available on iTunes.

Ronda Rousey is a mixed martial artist, judoka and actress. She is the first and current UFC Women's Bantamweight Champion, as well as the last Strikeforce Women's Bantamweight Champion. Edmond Tarverdyan is an MMA and boxing coach and is...

Michael Dowd is a former NYPD officer and current ethics consultant. "The Seven Five" is a critically acclaimed documentary made about his time as an officer, and is available for download at - www.themikedowd.com