The 1984 Detroit Tigers won the 1984 World Series, defeating the San Diego Padres, 4 games to 1. The season was their 84th since they entered the American League in 1901 and their fourth World Series championship. Detroit relief pitcher Willie Hernández won the Cy Young Award and was chosen as the American League Most Valuable Player. The 1984 season is also notable for the Tigers leading the AL East division wire-to-wire. They opened with a 9–0 start, were 35–5 after 40 games, and never relinquished the lead during the entire season.