Scrum (rugby) the players who are designated forwards binding together in three rows. The scrum then 'engages' with the opposition team so that the players' heads are interlocked with those of the other side's front row. In rugby union the initiation of the process is verbally coordinated by the referee who calls 'crouch, bind, set' as of 2013 (formerly 'crouch, touch, pause, engage', 'crouch and hold, engage' before 2007). The scrum-half from the team that did not infringe then throws the ball into the tunnel created in the space between the two sets of front rowers' legs. Both teams may then try
Robert Evans (referee) Bob would retire from the international panel early so that he could accept the position of National Director of Referee Instruction. From 1988 to 1992, Evans served as National Director of Referee Instruction for U.S. Soccer, during which time he designed the curriculum for the first national assessor's course and created the instructor and assessor grades that are still used by U.S. Soccer today. In 1992, he became the first American to be appointed a FIFA referee instructor. Evans was recognized as an expert on Law 11 (Offside), producing a comprehensive set of slides on the subject and later narrating