Former UFC heavyweight champion Josh Barnett’s first foray into the Bellator cage has been set, as he will debut this December. For the second year in a row, Bellator will partner with the USO for a Salute To The Troops on December 20th from the Neal S. Blasidell Arena in Honolulu, Hawaii, as Barnett will battle Ronny Markes. This will mark Barnett’s first MMA fight since 2016…