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. It was the franchise's best season in terms of overall wins (104) and their best win percentage (.642) in a 162-game season. The Tigers led the American League Eastern Division wire-to-wire, opening the season 9–0 and eventually topping out at 35–5 after 40 games. The team won its first Division title since 1972, their first AL Pennant since 1968 (and ninth overall) and the franchise's fourth (and most recent) World championship.