If those 4 games happen, then you have a 4-way tie in the Coastal between UM, Pitt, UVa, and VaTech, who would all be 5-3 in the ACC.
In a 3-way (or 4-way) tie, the first tiebreaker is the record against the other tied teams.
UVa and Pitt are both 1-2 against the other 3. However, UM and...