Complex sentence: Following relegation, United announced that Brian Reid's contract would not be renewed, appointing Mark Roberts, top scorer in the previous three seasons, manager, with head of youth development, Davie White as his assistant.
Split into simpler sentences: Following relegation, United announced that Brian Reid's contract would not be renewed. The club appointedMark Roberts, top scorer in the previous three seasons, manager, with head of youth development, Davie White, as his assistant.