 Complete the following phrase:  Rijkaard played for five seasons at Milan. It was coach Arrigo Sacchi who saw Rijkaard as playing a pivotal role at Milan and transformed the central defender into a world class holding midfielder, where the Dutchmans aggressive and firm style would go on to influence the likes of Patrick Vieira to replicate in future years. Playing alongside fellow country-men Marco van Basten and Ruud Gullit, Rijkaard won the European Cup twice in 1989 against Steaua București and 