B.J. Penn: Why I Decided to Return to the UFC & Train with Greg Jackson Mike Fridley Apr 9, 2016 Comments B.J. Penn explains how he decided to return to competition and why he's training at Jackson-Wink MMA. Related Articles The Walkmen: UFC 237 Walkout Tracks5 Defining Moments: B.J. PennSherdog Remembers: UFC 127’s B.J. Penn vs. Jon FitchSherdog’s Top 10: Fastest Knockouts in UFC HistorySherdog’s Top 10: UFC Lightweight Title Fights