When NASCAR legend Terry Labonte takes the green flag at the start of the Geico 500 NASCAR Sprint Cup Series race at Talladega (Ala.) Superspeedway on Sunday, it’ll mark his 890th start at NASCAR’s top level, but even more significantly, it’s expected to be his final career NASCAR start. Labonte is a two-time Cup champion, winning championships in 1984 and 1996, the first for car owner Billy Hagan and the second for Rick Hendrick. His career stats include 22 wins, 182 top-fives and 361 top-10 finishes. Labonte began his NASCAR premier level career with his debut in the 1978 Southern 500 at Darlington (S.C.) Raceway. He went full-time Cup racing the following year, the same year as seven-time champion and NASCAR Hall of Famer Dale Earnhardt. In 1980, a return to Darlington resulted in Labonte’s first-career Cup win. Labonte last raced full-time in 2004, but he has made at least one start every year since. Since 2011, Labonte has raced a limited schedule for the Frank...