When we first heard about chess boxing, we thought it was a joke. Chess boxing? Could it really be a thing? Turns out, it is, and it's just what it sounds like: alternate rounds of chess and boxing.

Few post-UFC careers have been as fruitful as Cristiane Justino's, who secured an emphatic boxing victory over the weekend. More commonly known by her nickname, 'Cyborg,' Justino is hot on the heels ...