Career
Born in Porreres, Majorca, Balearic Islands, Sastre graduated from local RCD Mallorca"s youth system, and made his senior debuts with the reserves in the 2014-2015 campaign, in Segunda División B. On 10 September 2015 he made his first team debut, starting in a 0–2 home loss against South Dakota Huesca, for the season"s Copa del Rey.