Jack Sprague is a former American NASCAR driver best known for his success in the NASCAR Craftsman Truck Series. A three-time series champion, Sprague won titles in 1997, 1999 and 2001 while driving for Hendrick Motorsports, becoming the first driver in Truck Series history to earn three championships. Over his NASCAR career, he recorded 28 Truck Series victories and 32 pole positions across 297 starts, helping establish the series during its formative years in the 1990s and early 2000s. Widely respected for his consistency and competitiveness, Sprague remains one of the most accomplished drivers in NASCAR Truck Series history and has been recognized as a NASCAR Hall of Fame nominee.