 By age 19, he was a promising prospect as a central defender for Racing, however on his agent's advice, he refused to sign a new contract with Racing during the Clausura Torneo of the 2000–01 Argentine Primera División and was separated from the squad.After making an appeal to free himself from his existing contract, he had to accept the AFA's decision in favor of Racing and continue at the club.Tambussi has also played for Arsenal de Sarandí in Argentina, and Dorados and Club Tijuana in Mexico.