Answer: linesmen

AnswerCrossword Clue
LINESMENThey assist referees
LINESMENSome grid officials
LINESMENTennis officials
LINESMENFootball officials.
LINESMENTelephone workmen.
LINESMENTennis officials.
LINESMENWimbledon official
linesmenLINESMAN, a football official
linesmen(in games played on a field or court) An official who assists the referee or umpire from the sideline, esp. in deciding on whether the ball is out of play