MMA retirements often times don’t last. However, Demetrious Johnson is certain his is definite. The majority of retirements in combat sports, and particularly MMA, after seemingly taken with a grain of salt. The fame, potential for financial upside, glory and competition have frequently led to athletes picking the gloves back up after putting them down. Johnson, a former UFC and ONE Championship titleholder, hasn’t once contemplated making a comeback to MMA since he announced to the the world that he was done in September. “There’s no point to it,” Johnson told MMA Junkie Radio.