JJ's throwing curveballs as race night against Kentucky continues.

Race night gets rowdy when Memphis welcomes a new group from Virginia.

Memphis heads to Mississippi for one of JJ's famous arm-drop competitions.

MSO gets a callout from the Fox-Body Mustang drivers from Massachusetts.

JJ invites racers to compete in the winner-take-all Street Wars.

Ronnie Pace and his big-mouthed team from Texas call out JJ and the MSO.

MSO continues their struggle with Texas and one wrong be the end.

MSO heads to the slick streets of St. Louis to face off with Dynamite Dave.

MSO gets a callout from Oklahoma before leaving St. Louis.

MSO scrambles to replace Heifer as their battle with Chicago approaches.

MSO prepares to face off against some local racers led by Tony Yeager.

South Carolina's Chris Block challenges the MSO to switch to small tires.

The MSO's big plans to race on small tires are put to the test by Illinois.

Illinois rolls on big tires and challenges MSO to another night of racing.

Quinn invites the MSO to Kentucky for an arm-drop like no other.

The MSO continues their arm-drop event in Kentucky.