On 18 March 2017, Pinillos scored his first goal for the club, netting a last-minute headed equaliser against fierce rivals Derby County from a Ben Osborn corner, levelling the match at 2–2. Pinillos had also assisted Forest's first goal that day, with an outstanding cross for the on-rushing Zach Clough to tap in. On 15 May 2017, Forest manager Mark Warburton confirmed that Pinillos would leave the club at the end of his contract on 30 June. On 2 July 2017, Pinillos returned to his previous club Córdoba, after agreeing to a three-year deal. He immediately became a first-team regular for the side, featuring ahead of fellow new signing Javi Noblejas. On 19 January 2018, Pinillos signed for Barnsley on a 2½-year contract. Barnsley