Career
Born in Venosa, Basilicata, Gammone started his career at Apulian club Associate of Science Bari. Gammone received national U17 call-up in 2008-2009 season as one of the few youngest player. He played twice in 2009 Union of European Football Associations European Under-17 Football Championship qualification and also twice in elite qualification.
However he missed the 2009 Fédération internationale de football association U-17 World Cup and did not take part in 2010 Union of European Football Associations European Under-17 Football Championship qualification.
Gammone also played for both reserve team and Bari U17 in 2009-2010 season. He received his first and last U18 call-up in May 2010.
After spending his second season with Bari reserve in 2010-2011 season, Gammone left for his first professional club Chieti. He played 27 games in 2011-2012 Lega Pro Seconda Divisione.
In July 2012 Gammone received a call-up to the pre-season camp of Bari, however on 18 July he left for Calcio Como in temporary deal.
On 19 June 2013 Como excised the option to purchase half of the registration rights for a peppercorn of €500. On 20 June 2014 Bari bought back Gammone. On 23 August 2014 he was signed by South.S. Juve Stabia in a temporary deal.
In summer 2015 he was signed by Matera.
