Yarborough won a career-high and modern-era record fourteen poles in 1980, captured six races including sweeping the events at Rockingham, and scoring wins at Bristol, Michigan, Texas and Atlanta. Yarborough barely missed out on his fourth championship in five years, losing the championship to Dale Earnhardt by 19 points. At the end of the season, Yarborough announced he was leaving the Junior Johnson team and would run a part-time schedule for the rest of his career. He was replaced by Darrell Waltrip. Yarborough won 55 races while driving for Johnson from 1973–1980, compiling an amazing winning percentage of 26.57 percent.