 Complete the following phrase:  On 12 April 1986, Bernard Tapie became president, thanks to Marseille mayor Gaston Defferre, and promptly built the greatest team seen in France up to that point. His first signings were Karl-Heinz Forster and Alain Giresse, who were bought after the 1986 FIFA World Cup. Tapie signed a large number of highly regarded players over the next few years in his pursuit of the European Cup, such as Jean-Pierre Papin, Chris Waddle, Klaus Allofs, Enzo Francescoli, Abedi Pele, Didier Deschamps, Basile Boli, Marcel Desailly, Rudi Völler, Tony Cascarino and Eric Cantona as well as appointing high-profile coaches like Franz Beckenbauer, Gérard Gili and Raymond Goethals. Between 1989 and 1992, Olympique de Marseille won four league titles in a row and the French Cup. The team also reached the Champions Cup final for the first time in 1991, losing on penalties to Red Star Belgrade. The highlight of the clubs history is winning the new format Champions League in 1993. Basile Boli scored the only goal against Italys Milan in the 