Original sentence: The competition kicked off in August, after the Super 14 and the March to July club competitions finished, and avoiding a clash with Australian under-19 and under-21 duties and the Pacific Nations Cup (in which Australia A plays)
Edited sentence: The competition kicked off in August, after the Super 14 and the March to July club competitions finished, and avoiding a clash with Australian under-19 and under-21 duties and the Pacific Nations Cup (in which Australia A played)