Precision MMA’s Brazilian Jiu-Jitsu Program – The Finest in Poughkeepsie, NY by Jamey Bazes BJJ Brown Belt and Senior Student at Precision MMA near Poughkeepsie, NY   A lot has changed in the world of Brazilian Jiu-Jitsu since it was first used by Royce Gracie to win the first Ultimate Fighting Championship back in 1993. …