He was the youngest man in the Green Eagles squad when Nigeria beat Algeria 3-0 in Lagos in March 1980 to win the country's first African Cup of Nations, and the fans took to calling him the Youngest Millionaire. That title stands beside runner-up finishes in 1984 and 1988, a place in the team of the tournament as a midfielder in 1988, and sixty caps for Nigeria between 1980 and 1991. Career record: 60 caps and 8 goals for Nigeria; club career at New Nigeria Bank, ACB Lagos, ASEC Mimosas.
| 1979–1985 | New Nigeria Bank |
| 1985–1988 | ACB Lagos |
| 1988–1990 | ASEC Mimosas |
| 1990–1992 | Racing F.C. Bafoussam |
| 1992–1993 | ACB Lagos |
| Nigeria | 60 caps, 8 goals |
Nigeria legends whose careers overlapped Nwosu's
One rank above: Peter Rufai at #25.
One rank below: Chidi Nwanu at #27.
Nigeria's editorial top five: Jay-Jay Okocha · Nwankwo Kanu · Rashidi Yekini · Finidi George · Sunday Oliseh.