In no particular order, here are the six officiating observations from Super Bowl LI.
Live coverage from our all-star team of writers on the calls and rules interpretations of Super Bowl LI from NRG Stadium in Houston.
A look through the photo archives of the teams and Getty Images of the Super Bowl LI officials in action.
There are three to five alternate officials assigned and ready to go into a playoff game should an on-field official get hurt or sick.
Football Zebras exclusive: Carl Cheffers is the referee for Super Bowl LI.
Football Zebras has learned that a clear front-runner has emerged for the referee of Super Bowl LI.
Football Zebras editors Ben Austro and Mark Schultz take a look at who is likely to be heading the Super Bowl officiating crew.