After the war, Glennie returned to North America and played the 1945–46 season with the Washington Lions in the Eastern Hockey League.
In 1946, Glennie returned to England and joined the Harringay Greyhounds in the English National League.
He helped them to win the playoffs in his first season and was named to the league's All Star A-team,[1] an honour he was to receive twice more while still with the Greyhounds in 1949 and 1950.
[9] After retiring from playing and coaching, Glennie, having impressed his employers at Harringay Stadium, was appointed an executive position with the company.
He eventually went on to be the general manager of the Powderhall Stadium in Edinburgh, near where he and his wife made their permanent home in Longniddry.