|Full name||Domingos António da Silva|
|Date of birth||28 April 1937|
|Place of birth||Vila Salazar, Portuguese Angola|
|Date of death||25 August 2015(aged 78)|
|Place of death||Lisbon, Portugal|
* Senior club appearances and goals counted for the domestic league only.
Mascarenhas was born in Vila Salazar, Portuguese Angola. After one season with S.L. Benfica and three with F.C. Barreirense, he joined Sporting Clube de Portugal in 1962; during his three-year spell with the Lisbon club, he scored 80 goals in 107 games all appearances comprised, even friendlies.
In the 1963 Portuguese Cup final, Mascarenhas scored once in a 4–0 win against Vitória de Guimarães. In the following campaign, in Sporting's victorious campaign in the UEFA Cup Winners' Cup, he netted six times in a 16–1 home success against APOEL FC (European competition record), adding another in the final against MTK Budapest FC, the 3–3 leading to a replay in Antwerp which ended with a 1–0 win for the Lions.
- "Mascarenhas" (in Portuguese). Wiki Sporting. Retrieved 26 August 2015.
- "1963/64: Sporting at the second attempt". UEFA.com. 17 August 2001. Archived from the original on 19 May 2008. Retrieved 9 October 2012.
- Biography; Sporting's official website (Portuguese)
- "Morreu Mascarenhas" [Mascarenhas has died] (in Portuguese). A Bola. 25 August 2015. Retrieved 25 August 2015.