Career
Born in Atri, Abruzzo, Mariani started his career at Abruzzan club Renato Curi – Angolana. He spent 2 seasons with the club in Serie Doctorate. In 2011 he was signed by professional club Bellaria – Igea Marina, which he made 24 starts in his first Serie C2 season for the Romagna based club On 28 June 2012 he followed former Bellaria coach Nicola Campedelli to join another Romagnol club Cesena, which the club president was Igor, Nicola"s brother.
The club also signed team-mates Caio De Cenco, Daniele Fioretti and Daniele Forte from Bellaria.
However Mariani was not included in the club"s Serie B plan, which Mariani returned to Bellaria for 2012-2013 season. The club also signed goalkeeper Andrea Rossini from Cesena (& Parma).
On 23 June 2013 Mariani remained in that region but for Santarcangelo di Romagna. Santarcangelo also signed Francesco Urso and Giacomo Bassoli (in January) from Cesena.
Santarcangelo qualified to 2014-2015 Serie C as the 5th of Group Bachelor of 2013-2014 Serie C2.