[1] Canna, who grew up in Benevento, followed in his father's footsteps, and joined the Polizia di Stato in 2012 aged 20.

Canna, like his father, Gerardo, joined the State Police sports team, and represented Fiamme Oro Rugby in the National Championship of Excellence, Italy's semi-professional rugby tournament, and Coppa Italia, Italy's second competition behind the NCE.

[3] On 14 July 2015, Italian first choice Fly-half Kelly Haimona withdrew form the national team's 2015 Rugby World Cup training squad due to injury, which saw Canna called up to the squad, despite not playing any professional rugby with Zebre.

[6] On 24 August 2015, Canna was named in the final 31-man squad for the 2015 Rugby World Cup.

[8] On 26 May he was called in Italy A squad for the South African tour in the 2022 mid-year rugby union tests against Namibia and Currie Cup XV team.