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.
The officials had a great conference championship round and got in some of the actions photos. Enjoy the galleries courtesy of Getty Images and team photographers....
NFL senior vice president of officiating Dean Blandino reviewed three calls from the Conference Championship games in his weekly officiating video
Football Zebras liveblog coverage of the AFC Championship between the Steelers and Patriots.