FIFA.com looks at the progress of Mamadou Sakho, Yann M'Vila, Marvin Martin and Andre Ayew, four youngsters who have been among the best players in Ligue 1 this season.
Source: Flourishing foursome exciting in France (http://www.fifa.com/worldfootball/clubfootball/news/newsid=1437547.html?cid=rssfeed&att=)