He scored his first goals for the club on 16 September against US Sassuolo. Juventus won 2-1 at home. Three days later, on 19 September, he was controversially sent off against Valencia C.F. for "violent behavior". He was crying as he received the red card and said he "did nothing". Ronaldo won his first trophy with the club, the 2018 Supercoppa Italiana, in January 2019. In the match, he scored the only goal from a header against AC Milan.