Acronym Soup: NMS ?

Questions

Which French footballer was elected European footballer of the year on three successive years 1983-85?

French motor racing driver who won the world championship 1985,86 and 89?

English National Hunt Jockey, champion jockey 1982 and 1986-1992?

Yugoslavian tennis player stabbed by a spectator in 1993 during the Hamburg Open?

US swimmer who won a record seven gold medals at the 1973 Olympic Games?