 A shareholder with Robert S. Eddy, Jr. and others in Arlington Park racetrack in Chicago and Jefferson Park Racetrack in Jefferson Parish, Louisiana, in 1934 their group purchased the Fair Grounds Race Course in New Orleans from prominent horseman Edward R. Bradley.Cattarinich and Dandurand continued their betting business throughout the challenging economic environment of the Great Depression in the 1930s.Despite several attempts, they did not succeed in acquiring another NHL club.