 Rock group Aerosmith kicked off each broadcast with a live version of their big 1970s FM hit "Back in the Saddle" that was filmed in concert in Las Vegas.For the second consecutive year, the fight for ROTY was expected to be fierce, as competitors from all areas or racing expertise battled in NASCAR's top level.The most profiled rookie was ex-Formula One driver Juan Pablo Montoya, driving Chip Ganassi Racing's No.