Birth Date:22 Aug 1989
Birth Place:San Severino Marche
At AC Milan since:2014
Born in the small town of San Severino Marche, in the province of Macerata, Giacomo began his footballing career at Virtus Castelvecchio. His playing time in the youth sector led him to wear different jerseys of smaller teams, before being noticed, while playing at Tolentino, by Antonio Bongiorni, an Atalanta observer who took him to Zingonia.
He made his Serie A debut in 2008 and after a brief spell in Lega Pro at Pergocrema and in Serie B at Padua, he returned to Atalanta, where he consecrated himself as a midfielder, scoring 23 goals in 127 appearances. AC Milan then signed Jack in the summer of 2014, during the final hours of the transfer market.