Career
Born in the Lungujja neighborhood of Kampala, Mukasa began his career playing with local youth sides Nateete Young Stars and Nakivubo Boys. In 1969, he joined Coffee F.C. of the first division for one season. The following season, he moved to National Informatics Centre F.C. in the second division.
Mukasa played for Uganda at the 1974, 1976 and 1978 African Cup of Nations finals.