Bellator 170: "Ortiz vs. Sonnen" comes to The Forum in Inglewood, Calif. on Jan. 21, 2017. The blockbuster fight to headline on Saturday night is "Bad Guy" Chael Sonnen against "Bad Boy" Tito Ortiz in what the latter says is his last professional fight ever.
Now we know why.
Speaking to ESPN's Brett Okamoto, Ortiz revealed that a long history of concussions was causing the former UFC champion to call it quits after Saturday's fight.
"I've had over 25 concussions, over eight surgeries. Sparring is probably the hardest thing in training -- getting punched in the face, concussions.