Some of the greatest figures in American sports were Polish Americans, including Stan Ketchel, two-time middleweight boxing champion; Stella Walsh, a Polish-born Olympic sprinter; and Stan 'The Man' Musial, one of baseballs all-time greats who played in 24 All-Star games and set numerous major league records. Chasing the American Dream examines the impact of sports upon the lives of Polish-Americans, the unprecedented economic and social opportunities it created, and the enormous changes it brought about to Polonia.