 On 3 July 2019, Carlos extended his contract until 2022 and was immediately loaned to Super League Greece side Xanthi FC for one year.At the end of the 2019-20 regular season, no goalkeeper has made more saves in the campaign than Abad.Overall, having participated in 23 out of 26 games, the 24-year-old has tallied 70 saves, four more than Nikos Papadopoulos of Asteras Tripoli.