Ricardo Jorge Silva Pinto Pereira (born 4 March 1981 in Porto), known as Joca, is a Portuguese retired professional footballer who played as a defensive midfielder. External links 1981 births Living people Footballers from Porto Portuguese footballers Association football midfielders Primeira Liga players Liga Portugal 2 players Segunda Divisão players FC Porto B players FC Porto players Vitória F.C. players Gil Vicente F.C. players C.D. Santa Clara players U.D. Oliveirense players S.C. Espinho players S.C. Dragões Sandinenses players Football League (Greece) players Ethnikos Piraeus F.C. players Qingdao Hainiu F.C. (1990) players Cypriot First Division players Cypriot Second Division players AEL Limassol players Ermis Aradippou FC players PAEEK players Segunda División B players Lorca Atlético CF players Dhofar Club players Portugal youth international footballers Portugal under-21 international footballers Portuguese expatriate footballers Expatriate footballers in Greece Expatriate footballers in China Expatriate footballers in Cyprus Expatriate footballers in Spain Expatriate footballers in Oman Portuguese expatriate sportspeople in Greece Portuguese expatriate sportspeople in China Portuguese expatriate sportspeople in Cyprus Portuguese expatriate sportspeople in Spain Portuguese expatriate sportspeople in Oman