Marc Guiu, 17, becomes youngest debutant to score for Barcelona

Marc Guiu, 17, becomes youngest debutant to score for Barcelona

Marc Guiu, 17, becomes youngest debutant to score for Barcelona

Marc Guiu, 17, becomes youngest debutant to score for Barcelona - KTVZ

Barcelona has a new hero. The 17-year-old debutant scored the first goal after 23 seconds to secure victory over Athletic

17-year-old Marc Guiu, another La Masia Academy graduate debuts for Barcelona - Sportstar

17-year-old Marc Guiu, another La Masia Academy graduate debuts for Barcelona - Sportstar

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Barcelona celebrates another talented teenager making a successful move from its La Masia academy

PETE JENSON: Barcelona's new 17-year-old wonderkid Marc Guiu has been on some journey, from signing at seven to scoring the winner in 33 seconds of his senior debut

17-year-old Guiu scores seconds into his first-team debut to give Barcelona a Spanish league victory