sentences:  After one season with the New York Rovers, Buller made his debut in the National Hockey League with the Detroit Red Wings.In 1944, there were only six teams in the NHL so space was limited; because of this Buller was demoted to the American Hockey League in the 1944–45 season.He was sold to the Hershey Bears and played for them for three seasons, during which they were runners-up for the pennant twice before eventually winning the title in 1946–47.