Matthew Roy Kenseth is an American former professional stock car racing driver who currently serves as the competition advisor for Legacy Motor Club in the NASCAR Cup Series. He last competed part-time in the Superstar Racing Experience (SRX), driving the No. 8 car. He also currently competes often in Slinger Speedway, where he holds the record for most Slinger Nationals wins.

Legacy Motor Club, formerly known as Petty GMS Motorsports, is an American professional stock car racing team owned by Maury Gallagher and Jimmie Johnson. The team competes in the NASCAR Cup Series where they currently field three Toyota Camry teams: the No. 42 full-time for John Hunter Nemechek, the No. 43 full-time for Erik Jones, and the No. 84 part-time for team co-owner Johnson. The team has a technical alliance with Toyota Racing Development. The team expanded into the electric off-road racing series Extreme E in 2024 with Jimmie Johnson as the primary driver.