With middleweight prospect Brad Tavares forced from his UFC 137 bout against newcomer Dustin Jacoby due to injury, another Octagon debutant will step in, as Clifford Starks will put his 7-0 record on the line against the 6-0 Jacoby. The bout has been verbally agreed upon.Moving to the October 29th main card with this change will be the bantamweight showdown between Scott Jorgensen and Jeff Curran.GSP injured; Penn-Diaz Elevated to 137 Main EventReturning UFC welterweight contender Nick Diaz will…