Rotoworld: Just two weeks after Kyle Busch earned a triple at Bristol, brother Kurt could take a track sweep this weekend at the uber-fast Atlanta Motor Speedway.

Kyle Busch and Carl Edwards discuss what they're expecting from the upcoming Atlanta race. (NBC Sports)

They sail solo around the world, climb the highest mountains and race around ovals at breakneck speeds.

Out of Bounds: When it comes to high-speed motorsports events such as the one in which Peter Lenz was competing (in which bikes are ridden as speeds of up to 120 mph), how young is too young?

Danica Patrick is expanding her repertoire from the IRL to NASCAR.