Kolasinac was replaced 20 minutes from the end of the match, which Arsenal won on penalties.
Kolasinac limped off during Arsenal's pre-season win over Chelsea in Dublin on Sunday after a clash with Victor Moses.
The Bosnian global limped off in the 70th minute and was replaced by Ainsley Maitland-Niles as Arsenal went on to beat our London rivals on penalties at the Aviva Stadium in Dublin.
The injury concerns are an early worry for Emery as he gears up for his first season in the Premier League.
The Wales global, who withdrew from the game against Maurizio Sarri's side due to a tight calf, is aiming to return to training next week.
Baby boy dies after being pulled from water near Brooklyn Bridge
He practiced CPR on the baby until an ambulance arrived and brought him to a nearby hospital where he was pronounced dead. Police say the body of a baby boy was found in the water near the Brooklyn Bridge in Manhattan Sunday afternoon.
CA fire explodes in size, now 2nd largest in state history
Doing so means devoting attention to a complex problem that involves science, nature and government action. And befuddled scientists who spoke with TIME could only guess at what Trump meant in his tweets.
Donald Trump admits son was getting dirt on Hillary Clinton
This was initially denied by Mr Trump's team, but his lawyers later confirmed that he had in fact dictated his son's statement.
Arsenal said the defender "sustained an injury to his left knee". Will be out for 8-10 weeks, ' a statement on Arsenal's website read.
Arsenal open their Premier League campaign at the Emirates next weekend against defending champions Manchester City, before journeying to Chelsea for their first away fixture the following week. Continues to be assessed.
Both players will miss Saturday's pre-season friendly against Lazio.
Ainsley Maitland-Niles, who is more suited to playing in midfield, is capable of providing cover at left-back if required.