Rutten & Renallo >> the old pride duo are back doing a podcast.
The Skeptics Guide to the Galaxy - nerdy science shit
The Fighter and the Kid >> shaub and callen, very funny
The Nerdist - relavent real stars, witty humar
Monday Morning Podcast - Bill Burr. stupidly good, take a bit to get into, but insanely funny.
Geard UP: Raw unfiltered bodybuilding : legit talk on bodybuilding.
Mark bell's powercast - already mentioned
Dan Carlin's Hardcore History - great story teller, this if your on the treadmil or in the car and wondered about ww2 or other history moments
Eddie Bravo Radio - not active atm but has some banked. long talks with bjj people