Complex sentence: Dating back to 1970, Alex Jesaulenko claimed the competition's first title, following a mark over Graeme "Jerker" Jenkin in the 1970 VFL Grand Final-which was subsequently coined as the "VFL Mark of the Year".
Split into simpler sentences: Dating back to 1970, Alex Jesaulenko claimed the competition's first title, following a mark over Graeme "Jerker" Jenkin in the 1970 VFL Grand Final. This mark was subsequently coined as the "VFL Mark of the Year".