Rubuta ci gaba don wannan sakin layi - An haife shi a Nice, Sarr ya shiga ƙungiyar OGC Nice ta gida yana ɗan shekara shida. Ya shafe shekaru 12 masu zuwa a makarantar kimiyya ta kulob din kafin ya fara buga wasan farko a Ligue 1 a ranar 14 ga Agusta 2016 a kan Rennes, yana da shekaru 17. Ya zura kwallo mai nasara ga tawagarsa a minti na 60, yana zuwa gida daga bugun Jean-Michaël Seri. A yin haka, ya zama ɗan wasa na biyu mafi ƙanƙanta da ya taɓa zira kwallaye a wasan farko a Ligue 1, bayan ɗan wasan Najeriya Bartholomew Ogbeche. Bayan wasan, Sarr ya sadaukar da burinsa ga wadanda aka kashe a harin ta'addanci na Nice na 2016
Ka yi haƙuri. Kafin farawar an yi shiru na minti daya don tunawa da wadanda aka kashe tare da Nice da Rennes sanye da riguna na musamman na tunawa da sunayen wadanda suka mutu. A ranar 7 ga Nuwamba 2016, Sarr ya sanya hannu kan kwantiraginsa na farko tare da Nice kuma a ƙarshen kakar wasan ya buga wasanni sama da 30 yayin da kulob din ya kammala gasar a matsayi na uku.