LONDON - Chelsea's first back-to-back Premier League wins in four months suggest Mauricio Pochettino's young side are finally finding their feet as they chase what until recently had looked like an unlikely target of European competition next season.

Sunday's 5-0 hammering of West Ham United - with Nicolas Jackson scoring twice - represented the second London derby victory in four days for the high-spending but inconsistent Blues, after a 2-0 win over Tottenham Hotspur on Thursday.