Born in
Naples, Arini began his youth career with hometown's
Napoli, and after the club's bankruptcy he moved to Scotland, joining
Rangers. In January 2005 he returned to Italy, signing with
Roma. Arini made his senior debuts with
Aversa Normanna in
Serie D, and moved to
Andria BAT in July 2011. On 10 January 2013 Arini joined
Avellino, taking part of the squad who won the
2012–13 Lega Pro Prima Divisione. On 24 August Arini made his
Serie B debut, starting in a 2–1 home success over
Novara; his first goal came on 21 September, in a 1–1 home draw against
Varese. On 8 July 2021 he moved to
Pergolettese. ==References==