Complex sentence: Viv would lead Harchester to the Championship playoffs, were they would face West Ham United-Conincidentally, Viv's predecessor Don Barker was now Director of Football at West Ham.
Split into simpler sentences: Viv would lead Harchester to the Championship playoffs, where they would face West Ham United. Coincidentally, Viv's predecessor, Don Barker, was now Director of Football at West Ham.