UFC mixed martial artist who achieved his first UFC Heavyweight Championship on June 19, 2004, at UFC 48: Payback.
He was a bouncer at the Spearmint Rhino strip club in Las Vegas.
He first met famed UFC Matchmaker Joe Silva when Silva was visiting different schools; his professional debut was largely because of Silva's mentorship and guidance.
He married Jennifer Mir in 2004 and the couple has three children.
He developed a back-and-forth rivalry against Brock Lesnar after first fighting him in February, 2008.