UFC 173 : Extended preview featuring BW Champ Renan Barao, TJ Dillashaw former 2 Div Pride / Strikeforce LHW Champ / 2x Olympian Dan Henderson vs Strikeforce HW GP winner, 2x Olympian Daniel Cormier, Robbie Lawler and Jake Ellenberger. Watch UFC 173 May 27 10PM / 7PM ET/PT on PPV.