On 17 April 2019, Siovas is ranked among Europe’s best centre backs this season for aerial duels won, with an 82% success rate according to CIES. The study by CIES pertained to Europe’s top five domestic leagues specifically and Siovas has won a whopping 105 aerial duels, losing just 23. This gives an 82% success rate, comfortably putting him in the top 10 in this category and the most efficient in La Liga. With one game remaining for the end of the season, Siovas was voted Leganes’ MVP for the 2018–19 season by the club's fans. This is yet another distinct honor for Siovas after being named to Leganes’ All-time Best XI last season. Siovas also ranked among Europe's best centre-backs this season in aerial duels won, with an 82% success rate according to CIES.
