The AFL has conceded its ARC concussion spotters erred in forcing Essendon key forward Tom Edwards off the field with five minutes remaining against Gold Coast after Essendon’s own doctor had cleared him of any damage.

The AFL ordered Carlton to table their review into why Elijah Hollands took to the field amid a “mental health episode”, coming as the league turned to one of its top officials to play a key role in the investigation.

The AFL field is 50 yards long (excluding two 8-yard end zones) and 85 feet wide. In terms of an NFL field, this is half as long and, for some reason, 53.125% as wide. Players are not made to scale. Goal posts are 9 feet apart with the crossbar set at 15 ...

Blues player displayed erratic behaviour in game against Magpies while coach Michael Voss said the 23-year-old was left ‘shattered’ by his performance