 Complete the following phrase:  In the 201718 season, Napoli challenged for the title for the entire season, and finished with a club record of 91 points. However, the title ultimately went to Juventus in the penultimate round of matches. On 23 December 2017, Marek Hamšík overtook Diego Maradona as Napolis all-time leading scorer after scoring his 115th goal. At the end of the season, Sarri left for Chelsea, succeeded by Carlo Ancelotti in May 2018. He managed the club to another second-place finish, but was sacked on 10 December 2019, following a poor run of results in the 