A jury earlier this month found 30-year-old Dallas Frazier, of Georgetown, guilty of misdemeanor assault for striking 61-year-old Michael Alter outside U.S. Bank Arena.
A judge gave Frazier credit for six days in jail at sentencing Friday.
Frazier was accused of jumping out of his vehicle near a group of protesters and repeatedly punching Alter, who suffered a torn artery in his eye that required surgery.
Frazier must pay Alter $900 for his medical expenses.
