Douglas Abner made his Primeira Liga debut for Boavista on 1 November 2015 as a second-half substitute in a 0–1 loss to Marítimo.
[2] Douglas made his league debut for Académico against FC Porto B on 14 August 2016.
[9] Douglas made his league debut for União Santarém against Oriental Dragon on 14 August 2021.
[10] Douglas made his league debut for Benfica Castelo Branco against Fontinhas on 28 November 2021.
[12] Douglas made his league debut for UE Santa Coloma against Ordino on 2 October 2022.