The month of May featured the crowning of a new UFC Light Heavyweight Champion in Mauricio “Shogun” Rua, who once again takes over the top spot in the 205-pound rankings. Strikeforce Heavyweight Champion Alistair “Demolition Man” Overeem enters the heavyweight ranks after his crushing defeat of Brett “The Grim” Rogers.
In women’s action, Roxanne Modafferi’s upset of Tara LaRosa at Moosin results in a major shift atop the Women’s Pound-For-Pound Rankings, while the Unified Women’s Rankings also feature significant changes.