 Complete the following phrase:  On 12 July 2017, Costa joined Juventus on loan until the end of the 201718 season, for 6 million. Juventus has an option to make the move permanent on 1 July 2018, for an additional 40 million fee plus 1M in bonuses. On 13 August, he made his club debut, coming on as a substitute in a 32 defeat to Lazio in the 