The beginning of the 2013 NASCAR Sprint Cup season is just days away. Teams have spent the offseason working diligently on the new Generation 6 car and trying to find an edge. At this point, every driver and every team is thinking about the potential for a championship. So which drivers and teams bear watching most closely? And what are the top stories that fans and competitors will be talking about in the weeks to come? We take a look. (Streeter Lecka/Getty Images) Courtesy of FOXSports.comThe opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.