In this week’s Trading Shots, we all know Japanese MMA often plays by its own set of rules, but is a fight between an enormous jiu-jitsu expert and a 52-year-old woman stretching it, even by New Year’s Eve in Tokyo standards? MMAjunkie columnist Ben Fowlkes and retired UFC and WEC fighter Danny Downes discuss. * * * * Fowlkes: Hey Danny, remember last week when we were debating Fedor Emelianenko’s return to the MMA big time and you asked if age really made a difference in the risk involved with an MMA fight?