MAIN CARD: (Showtime, 10 p.m. ET) Champ Nate Marquardt (170) vs. Tarec Saffiedine (170) Daniel Cormier (230) vs. Dion Staring (240) Josh Barnett (249) vs. Nandor Guelmino (229) Mike Kyle (205) vs. Gegard Mousasi (205.5) Ed Herman (193) vs. Ronaldo Souza (193.25) – 194-pound catchweight PRELIMINARY CARD: (Showtime Extreme, 8 p.m. ET) Pat Healy (156) […]