Referee Decisions Clock Management Penalties Decision Making Injury Protocols Overtime Rules Late Game Situations End of Game Strategy Scheduling Replay Technology Officiating Efficiency Timeout Usage Challenges Player Training Goalkeeper Time Limits Timeout Regulations Timeouts Game Interruptions Substitutions Referee Accountability Referee Roles Emergency Protocols Referee Responsibilities Postponements Umpires Discipline Chain Crew Interim Coaches Field Conditions Stadium Operations
Umpire Roy Ellison assumed white-hat duties under the NFL’s contingency protocol.