Leavine Family Racing was an American professional stock car racing team that last competed in the NASCAR Cup Series. Owned by Sharon and Bob Leavine, the team was headquartered in Tyler, Texas, but operated its racing team from a shop in Concord, North Carolina. In 2016, longtime NASCAR team owner Joe Falk became part of the ownership group, merging his Circle Sport operation with Leavine Family Racing, however as the 2016 season came to an end, Falk left the team securing his charter, and causing Leavine Family Racing to purchase a charter from Tommy Baldwin Racing.

Circle Sport Racing was an American professional stock car racing team that competed in the Monster Energy NASCAR Cup Series. The team was formed in 2011 as LTD PowerSports, fielding the No. 50 for T. J. Bell, and later in 2012, the team fielded the No. 40 and the No. 33 part-time in the Monster Energy NASCAR Cup Series, while fielding the No. 27 in the Camping World Truck Series. In 2014, the team pulled out of the truck series and began fielding the No. 40 Cup car full-time, alongside the part-time No. 33.