Career
In 1988, while playing for ACB Lagos, Nwanu was declared unwanted by coach Patrick Ekeji. Nwanu went on to play in lower divisions in Belgium before he was picked up by Jupiler League side K.S.K. Beveren. After three seasons he was bought by giants R.S.C. Nwanu played very few matches, however, and he eventually retired after an unsuccessful spell in RKC Waalwijk.
1983 - Enyimba
1984 - Spartans
1985 - Spartans
1986 - ACB Lagos
1987 - ACB Lagos
1988 - ACB Lagos
1989 - ACB Lagos
1989-1990 - K.V.C. Westerlo
1990-1991 - K.T.H. Diest
1991-1992 - K.S.K. Beveren
1992-1993 - K.S.K. Beveren
1993-1994 - K.S.K. Beveren
1993-1994 - R.S.C. Anderlecht (9/0)
1994-1995 - R.S.C. Anderlecht (5/0)
1995-1996 - K. Sint-Truidense V.V. (18/0)
1996-1997 - R.S.C. Anderlecht (2/0)
1996-1997 - RKC Waalwijk (4/0)
1997-1998 - RKC Waalwijk (3/0).