The 26-year-old was replaced by Ghana’s Acquah 10 minutes into the encounter at the Stadio Ciro Vigorito which ended 1-0, in favour of Sinisa Mihajlovic’s men.
The club disclosed that Acquah who was replaced in the 57th minute in that same fixture, suffered a minor nature of the injury at the same region but he is subject to undergo a daily medical test for clinical progress.
“Examinations showed Joel Obi has a muscular lesion at the left thigh biceps,” the statement reads on club’s website.
“Provided instrumental checkups between 10-15 days. Of a minor nature, the injury occurred at Afriyie Acquah: muscular suffering at the left thigh biceps for which, day by day, it will evaluate clinical evolution.”