Barcelona vs Athletic Bilbao, La Liga: Final Score 1-0, 17-year-old Marc Guiu scores late winner as Barça earn three crucial points at home - Barca Blaugranes

An amazing moment for yet another academy star, and a massive victory

Barca Teenager Guiu makes dream debut off bench

FC BARCELONA 1 vs 0 ATHLETIC CLUB

Teenager Marc Guiu snatches late win for Barca over Athletic

Barcelona vs Athletic Club, summary: Marc Guiu, score, goals & highlights

17-year-old Guiu scores on Barca debut to break deadlock against Athletic Club

FC BARCELONA-ATHLETIC CLUB (1-0): Video summary, goal and better played of the party of LaLiga

FC BARCELONA 1 vs 0 ATHLETIC CLUB

Barcelona vs Athletic Bilbao, La Liga: Final Score 1-0, 17-year-old Marc Guiu scores late winner as Barça earn three crucial points at home - Barca Blaugranes

Emotional footage shows Marc Guiu's family burst into tears as Barcelona academy graduate scores seconds into debut