when they go by the number of calls/non calls
by jt (2024-02-13 00:18:48)

In reply to: Westwood One officials expert indicated yes on their pregame  posted by tmr779


for evaluation purposes, they go by the white hat (head ref). He's also responsible for holding calls and roughing the passer.

This was the same white hat as the previous super bowl between the teams, FWIW.