Each week, ESPN.com writer and MMA Live Extra analyst Brett Okamoto provides ESPN's take on the hottest topics in the world of mixed martial arts.
This week, Okamoto squares off with UFC heavyweight Frank Mir to debate the latest news and trends. Mir, 36, returns to the Octagon on Sept. 5 when he meets Andrei Arlovski in a meeting between former champions at UFC 191 in Las Vegas.
