Born in Shamokin, Pennsylvania, Coveleski began playing professional baseball in 1908, and played mostly for the Lancaster Red Roses until he made his major league debut with the Athletics in 1912.
Born in Shamokin, Pennsylvania, Coveleski began playing professional baseball in 1908, following in the footsteps of his brother, Harry Coveleski. He played mostly for the Lancaster Red Roses until he made his major league debut with the Athletics in 1912.