The NFL has seven referees per game: Referee (R), Umpire (U), Head Linesman (H), Back Judge (B), Line Judge (L), Side Judge (S) and Field Judge (F).

Line Judge, on the other end of the opening line, to see if offside, violation of neutral zone or other open ball fouls. When the attack begins, his duty is in his near line area, including whether the player is out or not. He also has a responsibility to count offensive players. When the ball of the ball begins, his duty is to watch his near line take over the 5-7 yards of the opening line. He then moved back to the opening line to determine whether the ball was a forward, backward or illegal pass. In the case of kick and free-kick, the sideline also felt that the shot was kicked off the opening line Madden 17 Coins.

Side Judge lay behind the defensive second-line player on the main line. Like a field cut, he ruled on the sideline, judging the movements of nearby runners, players and defenders. He ruled that obstruction of the ball, illegal blocking and passing were not successful. He also needs to count the number of defenders. In the free kick attempt, his duty is like a second deputy. The role of the linesman is to instruct the auxiliary staff to control the game time or attack time.

Field Judge is on the side of the side line, behind the defensive second-line player. He ruled on the sideline, judging the movements of nearby runners, players and defenders. He ruled that obstruction of the ball, illegal blocking and passing were not successful. He also needs to count the number of defenders. Like wei, he decided whether a free-kick was a success.