Julien Laurens believes the constant injuries sustained by John Stones may have been a major headache for Pep Guardiola this season. Of course, the Englishman was available for selection during City’s 1-1 draw against Chelsea. After starting against Copenhagen in the Champions League on Tuesday, the £47 million (BBC Sport) seemed dead set to start against Mauricio Pochettino’s side. Julien Laurens says John Stones’ injuries this season may have been a headache for Pep GuardiolaHowever, the former Everton defender witnessed proceedings from the bench as Manuel Akanji took his place in the centr…