Gauld made his debut for the first team on 29 December 2014 in a Taça da Liga game against Vitória S.C., playing the full 90 minutes in a 2-0 win [REF].
In his second season in the Portuguese capital, Gauld scored his first goal of the B-team's campaign on 26 August 2015, the only one of the away match at S.C. Covilhã in the 84th minute [REF].