On 14 July 2010 Cusin signed a deal with the Italian club VL Pesaro.

[2] In September 2014, Cusin went to Banco di Sardegna Sassari,[3] but after just 35 days, on 28 October, he came back to Vanoli Cremona where he has played in the past.

[5] On 28 July 2017 Cusin signed a deal with Olimpia Milano for both LBA and EuroLeague, where he played for the first time in his career.

[8] On 30 October 2020 he joined Fortitudo Bologna, coached by Romeo Sacchetti, in the Italian Lega Basket Serie A and the FIBA Basketball Champions League (BCL).

[9] On 30 September 2021 he signed for Pallacanestro Cantù of the Italian Serie A2 second tier national league.