 On 12 December 2014, Horta made his first-team and Primeira Liga debut, playing the second 45 minutes of a 0–1 home loss against Boavista FC.He finished his first full season with 32 games – 21 starts – and two goals, helping his team narrowly avoid relegation.On 1 June 2016, Horta signed a five-year contract with defending champions Benfica.