Straddles
line of scrimmage on side of field opposite Linesman.
Keeps time of game as a backup for clock operator.
Along with Linesman is responsible for offside,
encroachment, and actions pertaining to scrimmage line
prior to or at snap. Line Judge keys on closest
setback on his side of field. Line Judge is to observe
his receiver until he moves at least seven yards
downfield. He then moves toward backfield side, being
especially alert to rule on any back in motion and on
flight of ball when pass is made (he must rule whether
forward or backward). Line Judge has primary
responsibility to rule whether or not passer is behind
or beyond line of scrimmage when pass is made. He also
assists in observing actions by blockers and defenders
who are on his side of field. After pass is thrown,
Line Judge directs attention toward activities that
occur in back of Umpire. During punting situations,
Line Judge remains at line of scrimmage to be sure
that only the end men move downfield until kick has
been made. He also rules whether or not the kick
crossed line and then observes action by members of
the kicking team who are moving downfield to cover the
kick. The Line Judge will advise the Referee when time
has expired at the end of each period.
