Osimhen was discharged from hospital on Monday evening after a head injury during the 4-2 loss to Atalanta on Sunday.
“Victor Osimhen underwent further tests, with all coming back negative. The striker will now rest for a period of a few days before gradually returning to training. His condition will be monitored on a daily basis,” a Club statement read.
The 22 year-old has been unlucky with injury since joining the club from Lille, it would be recalled that he also missed two months action due to a shoulder injury.
Gennaro Gattuso’s men trail 2- 0 from the first-leg and needed at least three unreplied goal at the Stadio Diego Armando Maradona to be guaranteed a place in the last 16.