Arsénio Martins Lafuente Nunes (an haife shi a ranar 30 ga watan Agustan shekarar 1989), wanda aka fi sani da Arsénio, ƙwararren ɗan wasan ƙwallon ƙafa ne na ƙasar Fotigal da ke taka leda a FC Arouca a matsayin ɗan wasan gefe. An haife shi a Esposende, Gundumar Braga, Arsénio ya fara wasan ƙwallo tare da AD Esposende na gida, sa hannu tare da FC Porto yana da shekara 12 kuma ya kammala ci gabansa tare da Leixões SC . Ya shafe shekaru hudu na farko a matsayin babban jami'i a ƙananan wasannin, tare da Padroense FC, CS Marítimo B da GD Ribeirão . Arsénio ya sanya hannu tare da CF Os Belenenses a rani na shekarar 2012, inda ya buga wasan sa na farko a matsayin kwararre a ranar 11 ga watan Agusta kuma ya zira kwallaye daya a wasan cikin gida da ci 3-1 akan CD Feirense na Segunda Liga . Ya ba da gudummawar 42 wasanni da biyar a raga a lokacin da kakar, taimaka wa Lisbon kulob din zai dawo zuwa ga Primeira Liga bayan shekaru uku.