[1] In late September 2014, Murilo Costa signed a two-year contract with Campeonato Brasileiro Série A club Botafogo de Futebol e Regatas.
[2] The team were runners-up in the 2015 Campeonato Carioca, though his input was just two substitute appearances; that September he was loaned to Macaé Esporte Futebol Clube for the Série B season, playing just three games from the bench.
[5] The team finished as runners-up in the Campeonato Catarinense, and he scored in a 1–1 draw at Esporte Clube Comercial (MS) in the first round of the Copa do Brasil on 21 April (2–1 aggregate win).
[9] He was the Madeiran club's second top scorer behind Ricardo Gomes – fifth overall – with 13 goals as they won promotion as champions; this included braces with a late equaliser in a 3–3 draw at Académico de Viseu F.C.
[10][11] On 1 July 2018, shortly after Nacional's promotion, Murilo Costa signed a five-year deal with fellow Primeira Liga club S.C.