Complex sentence: Born in Valls, Tarragona, Catalonia, Gestí began his footballing career on Gimnàstic de Tarragona's youth ranks, and made his debut on 3 June 2012, against Elche CF, after coming off the bench to replace Mairata.
Split into simpler sentences: Born in Valls, Tarragona, Catalonia, Gestí began his footballing career on Gimnàstic de Tarragona's youth ranks. He made his debut on 3 June 2012, against Elche CF, after coming off the bench to replace Mairata.