 Complete the following phrase:  Keita fully established himself in the starting lineup in the 201617 season, scoring his first goal of the season in Serie A matchday 6 against Empoli at home. On 6 March of the following year, Keita made his 100th Serie A appearance in the 20 win at Bologna. Later on 23 April, Keita scored his maiden hat-trick, contributing in Lazios 62 thrashing of Palermo, taking his tally up to 11 goals, reaching double figures for the first time in his career. He completed the hat-trick in five minutes, making it the fastest hat-trick scored in Serie A since 