 When the league collapsed in 1926, the Rosebuds were sold in their entirety to the NHL and became the Chicago Black Hawks.Hay joined the team in Chicago for the 1926–27 NHL season, and on November 17, 1926 scored the first goal in the history of the Black Hawks.He completed the season in Chicago but was traded, along with Percy Traub, to the Detroit Cougars in exchange for $15,000 after its conclusion.