Morley Kells played lacrosse from 1954-1961, where he won the 1955 Minto Cup with the Canadian Junior Lacrosse Long Branch team. In the 1960s he began to coach and in 1974 he co-founded the National Lacrosse League. The league started with six teams in Canada and the United States. Kells led Rochester to the championships in the first year of the league. He is also a Lester B. Pearson Award winner and was inducted into the Canadian Lacrosse Hall of Fame in 1976.