Complex sentence: Born in Badalona, Barcelona, Catalonia, Clerc finished his formation with RCD Espanyol, and made his senior debuts with the reserves in the 2010--11 season, in Tercera División.
Split into simpler sentences: Born in Badalona, Barcelona, Catalonia, Clerc finished his formation with RCD Espanyol. He made his senior debuts with the reserves in the 2010--11 season, in Tercera División.