Darrell Wallace Jr., also known as Bubba Wallace, is an American professional stock car racing driver. He currently competes full-time in the Monster Energy NASCAR Cup Series, driving the No. 43 Chevrolet Camaro ZL1 for Richard Petty Motorsports. Previously, Wallace was signed as a development driver for Joe Gibbs Racing where Wallace competed in the Camping World Truck Series, driving the No. 54 Toyota Tundra for Kyle Busch Motorsports. He also raced in the Xfinity Series, driving the No. 6 For