Pep Guardiola has warned Manchester City's ageing core that they may need to leave the club if they are physically unable to cope with the increasing workload. City have been plagued by an injury crisis all year and have recently lost centre-back duo Manuel Akanji and John Stones to fresh fitness issues,

Manchester City manager Pep Guardiola revealed that centre-back John Stones will be sidelined for "two to three months" after limping off in the first half of Wednesday's Champions League exit. Stones lasted just eight minutes of City's 3-1 defeat to Real ...