What are their fighting records? How has the rivalry developed? What have they said?
UFC president Dana White has already defended the decision to charge viewers nearly $100 to watch the fight
"...you’re looking at the new Don King here, son. Money is mine", Irish tells Tyson
Online spat over Irish fighter wearing a Golden State Warriors jersey
A group of fans threw a brick in her window
The UFC champ under pressure after new comment about "monkeys"
CBS Sports is reporting that tickets are expected to range from $500 to $10,000
Bout set to eclipse US Superbowl