Cristiano Ronaldo finally broke his Juventus goal drought \u2013 but his brace was overshadowed by teammate Douglas Costa\u2019s spitting storm. Winger Costa lost his head with Sassuolo\u2019s Federico Di Francesco \u2013 as the Serie A minnows bagged a late consolation at Allianz Stadium. The Brazil international made a rash tackle on Italy Under 21 man Di Francesco before aiming a head butt and the spitting in his rival\u2019s MOUTH. Di Francesco reacted calmly to the disgusting act before the referee showed Costa a red card \u2013 after going through VAR. Costa had come on in the 61st minute for Mario Mandzukic. Costa is not the first footballer to spit at an opposition player. Leeds\u2019 Samuel Saiz was banned for six matches after gobbing on Newport midfielder Robbie Willmott during season\u2019s FA Cup. Papiss Cisse was suspended for seven games in 2015 after an altercation with Jonny Evans and Patrick Vieira was handed a six-match ban for hurling his bodily fluid at West Ham\u2019s Neil Ruddock. Infamously, Frank Rijkaard gobbed some saliva at German Rudi Voller after a clash at the 1990 World Cup. Off the field, Jamie Carragher was filmed spitting at a 14-year-old girl from a moving car after her father verbally abused the Liverpool legend.