Nyora kuenderera mberi kweiyi ndima - Muna 2014, Casella akaita kutanga kwake kuArgentina, achimiririra timu yenyika yeUnder 18 pamakwikwi e2014 Summer Youth Olympics. Mumutambo wacho, Argentina yakapedza iri panzvimbo yokutanga, naCasella achiwana zvibodzwa 18. Akamirira timu yenyika yechidiki kuPan American Junior Championship muToronto, Canada. Mumutambo uyu akarova zvibodzwa 18, achibatsira Argentina kuwana menduru yegoridhe uye kupinda muJunior World Cup. Casella zvakare akamiririra Argentina paJunior World Cup
mu Lucknow, India, uko chikwata chakapedza chiri chechishanu.