As the window for the Round of 12 opens for business on Sunday, the NASCAR Cup Series' playoffs certainly have a different look and an important question after three races.

For starters, can any team stop Joe Gibbs Racing right now?

JGR swept the first trio of the 10-race postseason and will look to make it four straight in Sunday's Mobil 1 301 at New Hampshire Motor Speedway in Loudon, N.H., where the attention from last Saturday night's action in the foothills of the Appalachian Mountains shifts to New England.

Whatever NASCAR did to stress the tires at Bristol Motor Speedway and create Saturday's chaos is a direction the sanctioning body needs to continue pursuing. At the end of the crazy 500-lapper -- when it was often hard to figure out who was leading, who had the best strategy or

See Full Page