Pop Off Valve, for IndyCar fans

Join Luke Thomas at 1 p.m. ET for a live discussion about Shane Carwin's retirement from MMA, the push to change MMA gloves and other reader questions and comments.

Join Luke Thomas at 1 p.m. ET to discuss UFC 159, eye pokes, new MMA gloves, who the best fighter in the sport is, Floyd Mayweather's return to boxing and so much more.

From the numerous storylines heading into one of the most stacked events of the year at UFC on FOX 7 to the relatively average enthusiasim around UFC 159, there's a lot to debate and discuss in the world of MMA.

From Fallon Fox to Matt Mitrione to the finale for The Ultimate Fighter 17 this Saturday, there's a lot going on in the MMA world. Join Luke Thomas at 1 p.m. ET to discuss and debate these topics and more.

Join Luke Thomas at 1 p.m. ET for the weekly MMA Fighting Live Chat. This week's topics: Nick Diaz vs. Quebec's athletic commission, WSOF 2 recap, Bellator 94 preview and as many reader questions or comments as we can get to in one sitting.

Join Luke Thomas today at 1 p.m. ET to talk about the aftermath of UFC 158, whether the event was a pay-per-view success, Bellator 93, World Series of Fighting 2 and readers questions or comments.

Luke Thomas breaks down the entire UFC 158 fight card, including the main event between Georges St-Pierre and Nick Diaz.

Luke Thomas discussed UFC 157, UFC on FUEL TV 8, Bellator 91, Matt Riddle being released from the UFC, Jacob Volkmann signing with WSOF and much more.

Luke Thomas discussed UFC 157, tomorrow's Bellator 90 and a bevy of reader questions/challenges.

Join Luke Thomas at 1 p.m. ET for the MMA Fighting weekly live chat. The group will discuss this weekend's UFC on FUEL 7 event, the future of wrestling in the wake of being removed from the Olympics and tomorrow's Bellator 89.