Melbourne Cricket Ground. Two late goals in the first quarter allowed Collingwood to open up a 4–2 lead at quarter time, but Collingwood went goalless through the second and third quarters as South Melbourne dominated the game and regained the lead at 5–4. Collingwood tied the game early in the final quarter, then kicked the winning goal inside the final ten minutes to win 6–5. Notable events Following 's 4–3 win against in Round 5, it was revealed that due to a timekeepers' error the final quarter had lasted 30 minutes instead of the regulation 25 minutes. Because Collingwood had scored the winning goal in these extra five minutes (in fact, on the final bell), Carlton formally challenged to have the result amended to a 3–3 draw. The challenge was dismissed at the Association's next meeting three weeks later. The ultimate importance of this decision on the final placings should not be overlooked as Collingwood tied for first place and Carlton tied for last place on the ladder. In its Round 9 match against first placed , last placed was penalised for having too many men on the field. Richmond was leading Essendon at half time by 3.3 – 2.4, but Essendon called for a head count after half time, which found Richmond had 21 men on the field. Richmond's score was reset to zero, and Essendon went on to win 9.9 – 1.4. Four weeks later against Port Melbourne, Richmond was subjected to another head count at half-time, and the umpire again found Richmond had 21 men on the field, but a recount after the players had gone to the dressing rooms found only twenty, so Richmond was not penalized. Local fans at the North Melbourne Recreation Reserve rioted following 's 4–5 loss to in Round 12, mostly venting their anger against umpire Roberts' interpretation of the little mark. They invaded the field, some with weapons, and players from both teams were forced to protect Roberts from the mob, with Bill Proudfoot, a constable with Victoria Police, escorting him out of the ground. McDougall of North Melbourne was the most badly injured player in the riot, concussed after a blow to the head. The incident added to the already bad reputation of the North Melbourne ground and the "ruffianly element" of its patrons. On 2 October, the day before the playoff match for the premiership, six of the league's