The Dutch full-back, who joined Leverkusen from Manchester United this January, has picked up an anterior cruciate ligament injury during his side’s Bundesliga 2-1 defeat to Freiburg on Sunday.
After getting his boot stuck in the pitch, the 23-year-old has damaged his knee seriously and will be forced to spend the next few months on the sidelines.
Fosu-Mensah confirmed the ACL injury diagnosis to
Voetbalzoneas Peter Bosz had predicted it on Sunday.
"We hope for something else, but fear a cruciate ligament injury
," Bosz told in his post-match interview.
Fosu-Mensah will probably be out between six to eight months to heal his ACL injury completely.