There are 36 body signals that an NFL referee must know, and more than 40 if you count small variations. Below are diagrams for some of the more spirited signals, taken straight from the NFL rule ...

Each week throughout the NFL season, Mike Pereira, the league’s former vice president of officiating, will answer readers’ questions about officiating and league rules.

A deaf dog showed off her sign language skills when she responded to a referee's hand signals on TV, going viral in the process. Sara Ruth Zirm lives in Maryland with her pup Dory, a cross-breed ...

A deaf dog showed off her sign language skills when she responded to a referee's hand signals on TV, going viral in the process. Sara Ruth Zirm lives in Maryland with her pup Dory, a cross-breed ...