Ilerika played for the Nigeria national football team between 1971 and 1976 and spent his entire career with Stationery Stores in Lagos.
He joined Stationery Stores FC in 1971 after a brief stint with the defunct Metal Construction Football Club (Apapa).
Metal Construction FC had signed him on after he led the Zumratul-Islamiya Grammar School, Surulere to victory in the 1970 Principals' Cup Football competition for secondary schools in Lagos State.
Nicknamed the "Master Dribbler", Ilerika wore the number 9 jersey while on the national team.
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