His 23-year professional career was mainly linked with Sporting CP, but he also played for three other teams, including Racing de Santander in La Liga.

[2] Born in Lisbon, Damas made his professional debut with his hometown club Sporting CP at the age of just 19.

After two years as a backup he became the capital side's undisputed starter, winning two Primeira Liga and three Taça de Portugal trophies, including the double in 1973–74.

[3][4] Aged 32, Damas returned to Portugal, playing two years apiece with Vitória S.C. and Portimonense SC, after which he rejoined Sporting.

Benfica's Manuel Bento; however, in the latter tournament, the starter suffered a serious fibula injury in training, and he took the pitch for group-stage losses against Poland (1–0) and Morocco (3–1).