sentences:  Each team played each other twice in a home-and-away season of 18 rounds.Once the 18 round home-and-away season had finished, the 1909 VFL premiers were determined by the specific format and conventions of the amended Argus system.All of the 1909 finals were played at the MCG so the home team in the Semi Finals and Preliminary Final is purely the higher ranked team from the ladder but in the Grand Final the home team was the team that won the Preliminary Final.