November 1990 at Phoenix International Raceway, Dale Earnhardt delivered one of the most important performances of his NASCAR Winston Cup career. Entering the Checker 500 trailing Mark Martin by 45 points in the championship standings, Earnhardt dominated the race, leading 262 of 312 laps and flipping the title fight into a 6-point advantage with one race left in the season. The victory became the turning point that helped propel Earnhardt toward his fourth NASCAR Winston Cup championship, showc