Illegal Wedge Formation
ARTICLE 10.
a. A wedge is defined as two or more players aligned shoulder to shoulder within two yards of each other.
b. Free-kick down only: After the ball has been kicked, it is illegal for two or more members of the receiving team intentionally to form a wedge for the purpose of blocking for the ball carrier. This is a live-ball foul, whether or not there is contact between opponents.
PENALTY—Noncontact foul. 15 yards, spot of the foul, or 15 yards, spot where the subsequent dead ball belongs to Team B if this is behind the spot of the foul. 15 yards, previous spot with the down repeated if the subsequent dead ball belongs to Team A. [S27]
c. Formation of the wedge is not illegal when the kick is from an obvious onside kick formation.
d. There is no foul if the play results in a touchback, a foul for free kick out of bounds or fair catch.