As the sixth episode of “Fight Master” gets started, we’re getting right into another Round of 16 contest. Team Shamrock’s Nick Barnes faces Greg Jackson student Tim Welch . We flash back to nine days earlier, when Welch finds out he was selected as a No. 6 seed. He admits calling someone out was difficult, but he picks an opponent he sees as a legitimate challenge in No. 9 Barnes. Jackson then explains his busy schedule won’t allow for him to be there at all times, so he leaves Joey Villasenor and Damacio Page in charge. Shamrock points out that seems like an issue for fighters who picked Jackson, only to wind up with assistants