Manchester City have suffered yet another injury blow after John Stones emerged as a doubt for their clash with Liverpool . City boss Pep Guardiola has been without a host of key players in a crisis period which has seen the reigning Premier League champions slip to five defeats in a row . Liverpool now boast an eight-point lead at the top of the table , one which could become 11 after the teams meet at Anfield on Sunday. Guardiola will definitely be without Rodri and Mateo Kovacic , two