[2][3] Benito made his senior debut with the reserves on 27 August 2017, playing the last 16 minutes of a 1–2 Tercera División away loss against CF Trival Valderas.
[7] Whilst at Cultural, Benito scored an extra time winner in a 2–1 Copa del Rey success over Atlético Madrid,[8] but also saw his decisive penalty in the play-off final being saved by CE Sabadell FC's goalkeeper Ian Mackay, which led to a 6–7 loss in the shoot-out.
[9] He returned to Rayo in July 2020, but signed a three-year contract with Real Valladolid on 5 October, being assigned to the B-team also in division three.
[10] Benito made his first team debut on 15 December 2020, starting in a 5–0 away win against CD Cantolagua, for the season's Copa del Rey.
[11] His professional – and La Liga – debut occurred the following 19 January, as he came on as a late substitute for Óscar Plano in a 2–2 home draw against Elche CF.