Much has changed since the mixed martial arts world last saw Chael Sonnen compete in 2013.
Sonnen, at the time, was the fight game's preeminent carnival barker, a salesmen who rode a loquacious approach to record success and secured a string of monster paydays despite never winning a UFC belt. In retrospect, those were simpler times -- an era before Conor McGregor and Nate Diaz smashed financial records and championed the ideals of the money fight, before buzz words like leverage and renegotiation cemented themselves in the day-to-day MMA lexicon.