On this Friday's episode of "Inside MMA" on HDNet, steroids and performance-enhancing drugs are among the topics for debate. Thank Josh Koscheck for that.

But the big news Friday comes out of HDNet's promo email with the screaming headline including these words: "MMA HALL OF FAMER ADMITS USE."

Who will this mystery fighter be? Any guesses?

The issue is a legitimate discussion topic. UFC fighter Dennis Hallman (64-13-2 ,1-4 UFC), who next fights Ben Saunders at UFC 117, spoke with certainty that at least "50 percent" of fighters take steroids.

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Bold. Maybe it's true, maybe it's not. But it's definitely bold. Everyone wants to think everyone is clean, which is both nice and naive. Watch the clip below, then tune into HDNet at 9 p.m., provided you get that channel.