Mark Tullius is a former fighter and Ivy League football player turned author. He has 10 works of dark fiction and his nonfiction book Unlocking the Cage is the largest sociological study of MMA fighters.

Mark Tullius is a former fighter and Ivy League football player turned author. He has 10 works of dark fiction and his nonfiction book Unlocking the Cage is the largest sociological study of MMA fighters.