On 29 August 2017, Decas signed with Mexican team FC Juárez in the Ascenso MX on a season long loan.[2] He made his debut on 10 January 2018 in a 3–1 win against Lobos BUAP in the Copa MX.
C.D. Nacional
On 22 July 2018, Portuguese Primeira Liga team C.D. Nacional announced the signing of Decas on a two–year loan.[3] Decas made his debut in a 2–1 against Vitória Setúbal on 26 August 2018.[4] He played alongside fellow countryman Bryan Róchez and was even invited by Róchez to meet his family.[5] On 24 January 2019, Decas terminated his contract with Nacional saying, "I left because I wasn't playing and that affected me."[6]