Complex sentence: The program, devised in 1998 and begun in Victoria under the name "Vickick", it was supported by the Australian Football League, the national professional competition for the sport, which began to roll it out nationally.
Split into simpler sentences: The program, devised in 1998 and begun in Victoria under the name Vickick. It was supported by the Australian Football League, the national professional competition for the sport, who began to roll it out nationally.