Career
Born in Migori District, Onyango began playing football in the Kenyan Premier League with Gor Mahia F.C. at age 17 in 1979. In 1989, he joined Kisumu Posta, the club he would finish his playing career with in the 1990s. He played for Kenya at the 1988 and 1990 African Cup of Nations finals.
Onyango died in a traffic accident in Kisumu on 2 August 2002.