Under the management of Devis Mangia, in 2012, Caldirola was named captain of the under-21 side, where he led the Azzurini in the 2013 UEFA European Under-21 Football Championship.
Luca Giordano | Luca Francesconi | Accademia di San Luca | Luca Signorelli | Luca Ronconi | Luca Turilli | Luca Toni | Pallithanam Luca Matthai | Luigi Luca Cavalli-Sforza | Luca Paolini | Luca Pacioli | Luca Cumani | Luca Cardelli | Luca Pianca | Luca Marmorini | Luca Lombardi | Luca Guadagnino | Luca Beltrami | Giovanni Luca Conforti | The ''Communion of the Apostles'', by Luca Signorelli | Sergiu Luca | San Luca | Rudy De Luca | ''Maria Anna of Neuburg on horseback'' by Luca Giordano | Luca Zingaretti | Luca Zaia | Luca Turilli's Rhapsody | Luca Turilli's Dreamquest | Luca Toso | Luca Savelli |
Mori played 6 more friendlies for the Azzurrini, including 2011 Toulon Tournament (where he played 3 out of 5 games, with Capuano and Caldirola were the starting centre-backs).