Born in Luanda, Angola, Plácido made his professional and Primeira Liga debuts at just 17, with lowly Amora FC.
After one more year in Portugal, at S.C. Salgueiros, Plácido returned to France, continuing to play until the age of 37 in the country's lower leagues in representation of US Créteil-Lusitanos, US Lusitanos and Saint-Denis FC.