Freddie Roach has not just worked with some of the world's best boxers, he's also held mitts for the world's best mixed martial artists as well. From Georges St. Pierre, to increase the welterweight kingpin's hand speed to making adjustments for B.J. Penn because of the dangers of bobbing and weaving in MMA, the celebrated boxing trainer is anything but closed-minded about the sport.
Better know MMA. Catch The Rewind, Sunday night at 9 p.m. ET on the Sherdog Radio Network.
Follow Jack and the show @SherdogRewind.
Listen to a preview of Sunday's "Rewind"
Reader comments are active below.