Stephen Obayan Sunday (born 17 September 1988 in Lagos) is a Nigerian-born Spanish footballer nicknamed Sunny.
At 19 he is already making appearances for Valencia this kid has a future ahead of him
His performances for Ejido attracted interest from Manchester United, Real Madrid, Real Betis, Deportivo La Coruna, Valencia CF, Celta Vigo, Liverpool F.C. and S.S.C. Napoli. However, he chose to sign for Valencia.
Although born in Nigeria, Sunday is eligible to play for Spain under FIFA rules, which allow players with dual nationality to change their international allegiance before the age of 21 if they have not won a full international cap. He has been called up by the Spain Under-19 side and represented Spain at the 2007 FIFA U-20 World Cup in Canada