MMAjunkie.com Radio today welcomes to the show Shannon Knapp,  Keon Caldwell , Marty Sader and Dann Stupp. Knapp is president of Invicta FC, which hosts its sixth event on Saturday. Caldwell has a fight coming up against unbeaten Nick Newell at World Series of Fighting 4 next month. Sader is the producer and lead actor for the upcoming film project “Monday Nights at Seven” with Anderson Silva and will be in studio to discuss the project. And USA TODAY senior MMA editor and MMAjunkie.com editor-in-chief Dann Stupp co-hosts in the studio