his second season Slimani was successful as he became a key player. His first goal of the season was in the Derby de Lisboa 1–1 away draw to Benfica. At European level Slimani scored his first goal against Schalke 04 at Estádio José Alvalade in the last minute to finish 4–2 for Sporting. At the end of the season he finished third in the league, but in the Taça de Portugal he reached the final against Braga on 31 May 2015, slimani scored a goal helping Sporting turn around a two-goal deficit to eventually secure the cup following a penalty shootout 3–1. where he achieved his first title in his history at the end of the season Slimani played 33 games and scored 15 goals, including 12 in the league. 2015–16 season In the 2015–16 season, Slimani said he would be his last season and aspires to achieve the title of the Primeira Liga absent for 14 years the new and former Benfica coach Jorge Jesus, who said he would rely heavily on Slimani to win the titles and the start was in the Supertaça against Benfica and ended for Sporting with a single goal, achieving his second title. At the start of the tournament, Slimani scored his first goal against Académica in an away match on 4 October 2015, and in the seventh round against Vitória de Guimarães, he scored his first hat-trick in the Portuguese league. At the top of the 15th round, Slimani managed to score two goals against Porto's goalkeeper Iker Casillas to lead the team back to the top of the league. After this game, Slimani scored in four consecutive games 6 goals against Vitória de Setúbal, Braga, Tondela and Paços de Ferreira. After two matches, he returned to score twice at Nacional. Before Sporting's league derby match at home, Benfica lodged a complaint against Slimani for assaulting Andreas Samaris with his elbow in a Portuguese Cup match on 21 November 2015. After a long wait and one day before the match, the Portuguese League announced that Slimani could participate in the decisive match for the title. However, the team lost 1–0 and dropped to second place, behind Benfica. One week later, he scored his 20th goal this season in the match against Estoril. After this meeting, he scored four goals against Belenenses, Marítimo and Moreirense, and Porto. Slimani contributed to the victory at Estádio