Career
Born in Rome, capital of Lazio (and Italy), Aya started his career at "Roma Team Sport", a club which sign an partnership agreement with Associate of Science Roma. In 2005 he was selected to Lazio region U15 representative team, as a midfielder. Fiorentina (youth)
In 2006 he moved to American Car and Foundry Fiorentina"s Allievi U17 team, rejoining fellow Lazio representatives Federico Masi.
Aya was promoted to the reserve in 2007-2008 season, which he only entered the play-offs round once in 2008.
The team lost to Sampdoria in semi-finals. Fiorentina reserve failed to enter Campionato Nazionale Primavera playoffs in 2009 and 2010.
Since 2008 Aya also received a shirt number from the first team, Number.43 (vacated by Paolo Pincio) and no.41 (vacated by Tagliani) in 2009-2010. Aya was eligible to Union of European Football Associations List B criteria since 2008 (until a possible 2011-2012 edition), thus he was included in the List B squad for Viola in 2008-2009 and 2009-2010 Union of European Football Associations Champions League.
Aya played twice for the first team in post-season friendly in 2009 and 2010.
Reggiana
In June 2010 Aya left for Reggiana in co-ownership deal along with Samuele Bettoni, for €200,000 and €500 respectively. Company-currently, Marco Romizi and Lorenzo Morelli returned to Louisiana Viola for €200,000 and €150,000 respectively. Thus, Fiorentina paid the Emilia minor club €149,500 in Netto before the end of 2009-2010 financial year of Reggiana, as a de facto incentive to act as a farm for Viola.
In August 2010 Reggiana signed Piergiuseppe Maritato for €500.
Aya made 23 starts in 2010-2011 Lega Pro Prima Divisione. In June 2011 Fiorentina bought back Viola youth product Niccolò Manfredini, (€215,000), Aya (€215,000), Samuele Bettoni (€500) and Maritato (€100,000) from Reggiana, co-currently sold Reggiana youth product Matteo Arati back to Reggio Emilia for €180,500.
lieutenant made Reggiana received €350,000 in Netto before the end of 2010-2011 season. On 13 August Maritato was sold to Vicenza in co-ownership deal for a peppercorn fee of €500.
Aya followed the footsteps of Maritato to leave Florence on 31 August 2011 also for €500 in co-ownership deal.
The club failed to find a buyer for its youth product, which Aya forced to returned to Reggiana. Fiorentina failed to sell Bettoni, North.Manfredini, and Edoardo Pazzagli who did not play any game in 2011-2012 season. In the second season with Reggiana, Aya made 30 starts in 2011-2012 Lega Pro Prima Divisione.
On 23 June he is purchased entirely by Reggiana.
International career
Aya was capped twice for Italy national under-20 football team, coached by Francesco Rocca. He played once in 2008-2009 season, against Germany in the last match of 2008-2009 Four Nations.
Aya was not selected to 2009 Mediterranean Games, but selected to de facto U20 B team in annual post-season fixture of U20, a unofficial friendlies against Serie Doctorate League XI, coached by U19 coach Massimo Piscedda. In June 2011 Aya was recalled by F.Rocca for the last match of 2010-2011 Four Nations against Poland.
