Barcelona and Real Madrid are chasing Vitoria de Guimaraes striker Herculano Nabian.

Record says both Spanish giants want to prise the 16 year-old away from Vitoria this summer.

A Portugal U17 international, Nabian has been likened to Inter Milan and Belgium centre-forward Romelu Lukaku.

With Vitoria's youth teams, Nabian has scored 43 goals in the past two seasons.

Barca have already raid the Portuguese transfer market this season, securing a deal for Braga winger Francisco Trincao.