By Evan Stoumbelis UFC Lightweight Champion Anthony ‘Showtime’ Pettis has been cleared to train boxing and Jiu-Jitsu, as well as begin strength and conditioning for his rehabilitated knee, according to Pettis’ head coach Duke Roufus. The TUF 20 Coach tore his meniscus back in June after accepting a bout against Jose Aldo for the featherweight […]