Career
He was playing with Nigerian Concord Football Club when he moved to Switzerland in 1995 signing with Air Corps Bellinzona. Between 1996 and 1998 he played with Slovenian Football Club Koper and Cypriot Enosis Neon Paralimni Football Club before signing with Italian A.C. (before Christ) Reggiana 1919. After that short spell in Italy he moved to Russia.
He made his debut in the Russian Premier League in 1998 for Football Club Dynamo Moscow.
He played 4 games in the 1998-1999 for Football Club Dynamo Moscow. According to a 2004 interview with a fellow Nigerian football player James Obiorah Isibor had Acquired Immune Deficiency Syndrome and according to some later reports, he died on January 8, 2006.
However, according to former Isibor"s teammate Aleksandr Tochilin, another former Dynamo player Patrick Ovie met Isibor in Nigeria after his supposed death and Isibor was healthy and well. He died on June 24, 2013 in Lagos, Nigeria, after a brief illness.
Afterwards he also played in South Korean K-League club Suwon Samsung Bluewings and Swiss Football Club Zürich.
He was Human Immunodeficiency Virus-positive.