Brighton make their long-awaited Premier League debut knowing that, while a match against Manchester City may be considered a free hit, home form will be crucial to their survival. A previously slow summer of transfer activity stepped up this week with the arrivals of Davy Pröpper from Ajax and, imminently, the Club Brugge winger José Izquierdo but City have left most others in the dust when it comes to expenditure during this window and Pep Guardiola will want his own side to set down a marker early on. Nick Ames