Costa becomes the first prominent footballer to join the website primarily dominated by adult content creators.
Douglas Costa was sent off after being caught by VAR aiming an elbow and headbutt before spitting in the face of Federico Di Francesco.
An Olympic gold medal is the only major international football accolade that has eluded Brazil
After joining Donetsk from Gremio in January 2010, Douglas Costa scored 38 goals and helped the Ukrainian side collect five league and three cup titles. The 24-year-old was also part of the Brazilian national team at Copa America.