SoCal rap-metal band THE CHIMPZ have penned the brand new, official theme song for BattleGrounds MMA! BattleGrounds MMA is a Tulsa, Okla.-based, world championship Mixed Martial Arts (MMA) fight promotion that places its athletes on a major stage in the most challenging and exciting format possible: one-night, single-elimination tournaments that reveal the toughest competitors in their respective weight classes.

In addition to writing the new theme song, entitled 'BattleGrounds', THE CHIMPZ will perform the track while walking out to the cage at the BOK Center on June 27th at the Battlegrounds O.N.E. Tournament. BattleGrounds O.N.E. (One Night Elimination) touts 8 world-class, welterweight (170 pounds) fighters competing for a Grand Prize of $50,000! Learn more about the event at www.BattlegroundsMMA.com.

The track 'Battlegrounds' will also be available on June 27th for purchase via iTunes. You can listen to the song now via the band's ReverbNation page here.