Tiago David Janeiro Caeiro (born 29 March 1984) is a Portuguese former professional footballer who played as a forward, currently assistant manager of União de Santarém.
Born in Vila Franca de Xira, Lisbon District, Caeiro played in the lower leagues until the age of 27.
In the 2010–11 season, he scored 11 goals for Atlético Clube de Portugal to help the club return to the Segunda Liga after a lengthy absence (13 in all competitions),[2] then proceeded to net a further six in ten games to kickstart the following campaign.
[5][6] He made his debut in the Portuguese top flight on 21 September 2013, aged 29, playing 60 minutes in a 1–0 home win against C.S.
[11] He scored his only goal in the UEFA Europa League on 20 August 2015, in a 1–0 away victory over SC Rheindorf Altach in the play-off round.