Diogo Casimiro da Silva Costa (born 14 December 1998) is a Portuguese professional footballer who plays as a right-back for Liga Portugal 2 club Oliveirense.
On 3 November 2018, Casimiro made his debut for Braga B in a 2018–19 LigaPro match against Famalicão.
[1] On 5 July 2023, Casimiro signed for Liga Portugal 2 side Oliveirense, his first youth club.
While undergoing chemotherapy, an infection forced him into surgery and a four-day induced coma.
This biographical article related to a Portuguese association football defender is a stub.