The Atlantic Coast Conference fined four of its schools on Monday for scuffles that broke out during rivalry week in college football, which had a rash of fights between players who attempted to plant flags and other team symbols on their rivals' fields.

Fists flew and pepper spray filled the air near midfield of Ohio Stadium following the Michigan's upset victory over the rival Buckeyes.

The ACC has issued fines to NC State, North Carolina, Virginia Tech and Virginia for violation of the conference's sportsmanship policy. NC State and North Carolina were involved in a postgame fracas over flag planting in Week 14,