On 11 August 2012, Fonseca made his professional debut with FC Chiasso in a 2012–13 Swiss Challenge League match against FC Wohlen replacing Andreas Becchio (83rd minute).
Octávio Mateus | Carolyn De Fonseca | São Mateus River | São Mateus | Manuel Pinto da Fonseca | Isabel Fonseca | Hector Fonseca | Gulf of Fonseca | Fonseca | David Fonseca | São Mateus, Espírito Santo | São Mateus do Sul | Ralph Fonseca | Pedro Vicente Fonseca | Mossack Fonseca | Luis Fonseca | Isaac Aboab da Fonseca | Fonseca (singer) | Angelo da Fonseca |