A 21-year-old man was taken to hospital in stable condition after being assaulted outside the MTS Centre Thursday night.
Officers were called to Donald Street and Portage Avenue at about 10:15 p.m.
A male young offender and an 18-year-old man were arrested.
A spokesperson for the Winnipeg Police Service says the cause of the assault is under investigation.
Charges against the two males are pending.