Career
Caley played junior hockey in the Saskatchewan Junior Hockey League for the Weyburn Red Wings for three seasons as well as one game in the Ontario Hockey Association"s Junior A division with the Peterborough Petes. On June 6, 1967, Caley was claimed in the 1967 National Hockey League Expansion Draft by the Saint Louis Blues and played one game during the 1967-1968 National Hockey League season. He was traded to the New York Rangers during the off-season but never played for them, instead suiting up for the Omaha Knights as well as one game for the Buffalo Bisons.
On July 3, 1969, Caley was traded to the Western Hockey League"s Phoenix Roadrunners where he became their starting goalie.
In February 1970, Caley suffered severe whiplash in a car accident and missed the remainder of the season though he recovered in time for the next season. He retired after the 1972-1973 season to become a dentist but returned the next season, feeling he could do both jobs at once, but retired for good after just seven games and spent his life in sales.
Don passed away in Phoenix, Arizona in 2016.