Photos: Salido, Rios, Peterson Media Day in Las Vegas

Unbeaten Lightweight Anthony Peterson of Washington D.C. shadow boxes during media day Thursday for his upcoming world title eliminator  against Brandon Rios of Oxnard,Ca. on Top Rank's 'Battle of the Champions',  Saturday, Sept. 11 at the Palms Resort Casino in Las Vegas. Top Rank is promoting in association with Arena Box and Zanfer Promotions. Peterson vs Rios will be televised on HBO. --- Photos by Chris Farina/Top Rank

Brandon Rios(L) of Oxnard,Ca. talks with Top Rank reporter Alan Massingale during media day Thursday for his upcoming world title eliminator against  unbeaten Lightweight Anthony Peterson of Washington D.C.  on Top Rank's 'Battle of the Champions'

BF Featherweight champion Orlando Salido(pictured) works out during media day Thursday for his upcoming world title fight against WBA Featherweight Champion Yuriorkis Gamboa of Miami on Top Rank's 'Battle of the Champions'