Gallery One great photo from every UFC on FOX main-card fight view 120 images Can you announce your retirement from MMA immediately after a loss and make it stick? Is rethinking retirement bound to be a constant part of the deal? How do we know when someone is really, truly done for good? Retired UFC and WEC fighter Danny Downes joins MMAjunkie columnist Ben Fowlkes to discuss in this week’s Trading Shots. * * * * Fowlkes: UFC on FOX 31 was still going on when I was alerted to some happenings on the old social media, Danny. It seems Bobby Green , who had lost a unanimous decision in a competitive fight with Drakkar Klose , was on Instagram announcing his retirement .