Mickey Murray was a long time goaltender in the Ontario Senior hockey leagues, a form of semi-pro hockey. He played from 1918 to 1927 before stepping up a level to Can-Am pro league where he continued to hone his craft. After 6 years with Philadelphia and Providence in the Can-Am league, Murray jumped to the AHA where he became an All Star netminder with the St. Louis Flyers and Kansas City Greyhounds.
Murray appeared in one NHL game on February 25, 1930. Montreal's regular goaltender Georges Hainsworth was unable to play due to an injury and the Habs promoted Murray from Providence of the Can-Am league. Mickey Murray lost his only NHL game, 4-2 to the New York Americans.