In which team Agustin Pichot had played when he started with rugby?

Question

Toulouse, Stade Francais, CUBA, London Irish, CASI, SIC, NEWMAN, Racing Metro.

Answer 1

he originally played at CASI, The Club Atletico San Isidro in Buenos Aires, Argentina.

Not sure if he played his junior rugby there but it is in his hometown, so one would assume so.