With four races left before the NASCAR Cup Series Playoffs, the battle for postseason spots heats up as underdogs eye upsets.

With history of winners at Iowa, Watkins Glen, Richmond and Daytona, Cup could see 16 drivers with victories before playoffs begins.

Bristol Motor Speedway will host the Atlanta Braves and Cincinnati Reds in a unique event on Saturday, Aug. 2 (7:15 p.m. ET, ...