Can a one-time winner do it twice? Watch.
See photos of Nelly, Lil Jon and more!
Should newbies bother competing? Read the blog.
Get the FAQs on Mixed Martial Arts right here.
From Bruce Leroy to Muhammad Ali, find out if you're ready to enter the ring. Take this fighting quiz.
Ludacris, Juelz Santana and Jim Jones talk about the action on "Iron Ring." Read.
Find out what to expect before you enter the ring Tuesday at 10:30 p.m. (ET/PT).
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