Former football star Robinho was arrested in the port city of Santos on Thursday, a day after a court ruled he must serve his nine-year prison sentence for rape in Brazil. Officers picked up the 40-year-old from his home on Thursday and took him to a police station, Brazilian news agency Agência Brasil reported. After a medical examination, he was to be transferred to a prison. On Wednesday, Brazil’s superior court of justice ruled that the former Real Madrid, Manchester City and AC Milan striker should serve a nine-year prison sentence imposed on him in Italy in Brazil. An injunction by his l…