Mina scored a career-best 12 league goals in 2017–18 as Valencia came fourth, despite being more often than not a substitute for Simone Zaza and Rodrigo; halfway through the campaign, the trio had 12 more goals than Real Madrid's "BBC" attacking line. The following season, he netted braces in Copa del Rey victories over CD Ebro (round of 32) and Sporting de Gijón (last 16) as his club picked up their first honour for 11 years, being unused in the 2–1 final defeat of Barcelona on 25 May 2019.