Corey Nelson (R) of Australia flips Robert Whittaker (L) of Australia during their 77kg fight during CFC 18 at Luna Park on August 26, 2011 in Sydney, Australia. (Photo by Ryan Pierse/Getty Images)

Jesse Juarez (L) of the USA pins Manny Rodriguez (R) of Australia against the cage during their Wetlerweight World Title fight during CFC 18 at Luna Park on August 26, 2011 in Sydney, Australia. (Photo by Ryan Pierse/Getty Images)

Jai Bradney (R) of Australia is pinned to the ground by Antonio McKee (L) the USA during their 70kg fight during CFC 18 at Luna Park on August 26, 2011 in Sydney, Australia. (Photo by Ryan Pierse/Getty Images)

Jamie Rae (L) of Australia fights Adam Sarkis (R) of Australia during their 84kg bout during CFC 18 at Luna Park on August 26, 2011 in Sydney, Australia. (Photo by Ryan Pierse/Getty Images)

Kian Pham of Australia prepares for his bout against Mike Lim of Australia during CFC 18 at Luna Park on August 26, 2011 in Sydney, Australia. (Photo by Ryan Pierse/Getty Images)

Corey Nelson of Australia is pinned by Robert Whittaker of Australia during their 77kg fight during CFC 18 at Luna Park on August 26, 2011 in Sydney, Australia. (Photo by Ryan Pierse/Getty Images)

A ring girl looks on during CFC 18 at Luna Park on August 26, 2011 in Sydney, Australia. (Photo by Ryan Pierse/Getty Images)

Jesse Juarez (L) of the USA fights Manny Rodriguez (R) of Australia during their Wetlerweight World Title fight during CFC 18 at Luna Park on August 26, 2011 in Sydney, Australia. (Photo by Ryan Pierse/Getty Images)

Andrew Profilli of Australia bleeds from the head during his 93kg bout against Priscus Fogagnolo of Australia during CFC 18 at Luna Park on August 26, 2011 in Sydney, Australia. (Photo by Ryan Pierse/Getty Images)