High Quality Content by WIKIPEDIA articles! The 1934 Detroit Tigers season was a season in American baseball. The season was the team`s 34th since entering the American League in 1901. The Tigers won the American League pennant with a record of 101-53, the best winning percentage in team history. The team made its fourth World Series appearance, but lost the 1934 World Series to the St. Louis Cardinals 4 games to 3.