Claressa Shields Will Fight in MMA and Boxing ‘Concurrently’ Claressa Shields’ new MMA career will not stall her big fights inside the boxing ring, says Professional Fighters League CEO Peter Murray. Shields remains one of the top female boxers in the world as a two-division undisputed champion. She however recently crossed over into MMA where … Continue reading Claressa Shields Will Fight in MMA and Boxing ‘Concurrently’