Jack Smith (born March 18, 1973) is an American former professional

stock car racing Stock car racing is a form of Auto racing, automobile racing run on oval track racing, oval tracks and road courses. It originally used Production vehicle, production-model cars, hence the name "stock car", but is now run using cars specifical ...

driver. He last competed part-time in the

NASCAR Camping World Truck Series The NASCAR Craftsman Truck Series is a pickup truck racing series owned and operated by the National Association for Stock Car Auto Racing (NASCAR), and is the only series in NASCAR to race production pickup truck-based stock cars. The series i ...

, driving the No. 63 for

MB Motorsports MB Motorsports was an American professional stock car racing team that competed in the NASCAR Camping World Truck Series. The team was based in Foristell, Missouri, and was owned by Mike Mittler until his death in 2019. The team was one of few to ...

. Smith has been under an indefinite suspension from NASCAR since November 2011, for violation of the sport's Substance Abuse Policy. Smith was previously suspended in 2010 after attempting to purchase a controlled substance.https://www.espn.com/racing/nascar/truck/story/_/id/7270904/nascar-suspends-truck-series-driver-jack-c-smith-failed-drug-test

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* {{NASCAR-bio-stub 1973 births NASCAR drivers Living people