As a reminder, that match ended in a 1:1 draw.
"After the tests conducted today on our player Kylian Mbappe by Real Madrid's medical services, he has been diagnosed with an injury to the semitendinosus muscle in his left leg. Recovery will depend on further developments," the medical report states.
The French striker will certainly miss the upcoming match against Espanyol, and Marca reports that he will do everything in his power to recover by May 10, when the big derby (El Clásico) against Barcelona takes place at Camp Nou.
Incidentally, Barcelona leads La Liga with 85 points, 11 more than second-placed Real Madrid.
Hansi Flick's team could become the new/old champions as early as the next round if they beat Osasuna away and Real fails to secure a victory against Espanyol.