Sowunmi was born in Nigeria to a Hungarian mother and a Nigerian Yoruba father and spent the first nine years of his life in the African state.

[2] He spent a short spell in France with AC Ajaccio but returned to Hungary with Ferencvaros in 2003.

Eventually he was released from his attachment to the Czech team following police and FIFA intervention.

[1] Sowunmi signed for Scottish club Hibernian on 6 February 2007 after impressing manager John Collins while on trial.

In just his second match he came on as a half-time substitute in a Scottish Cup quarter-final tie at Queen of the South and scored the decisive goal in a 2–1 win.