Officers responded to reports of a fight at level 500 at the Rogers Center shortly before 10:30 p.m.
Two people were called to leave the stadium and as they were leaving a woman started fighting and hit a police officer, police said.
The woman was removed from the stadium and faces two charges, including drunkenness in public and assault on a peacekeeper or civil servant.
No injuries were reported.
The Blue Jays rallied for the 10-8 victory over the Texas Rangers in what was Toronto’s first home game since 2019 due to the COVID-19 pandemic.