Athletic Bilbao are chasing Real Zaragoza youngster Ander Herrera.

The 19 year-old is regarded as the brightest talent to come through Zaragoza's youth system in years and is the son of Pedro Herrera, a former technical director at Bilbao.

Herrera also is interesting Real Madrid and declared: "I want to succeed with Zaragoza. But I'm not stupid. If there are not opportunities for me here, then I must consider my options."