Blues have improved, Mourinho warns rivals
The Blues secured their first championship in half-a-century last season, finishing 12 points ahead of Arsenal, and 18 in front of third-placed Manchester United after losing just one league game.
Chief executive Peter Kenyon has already confidently claimed the winners of the 2005/2006 Premiership would come “from a small bunch of one” as the west-London club look to continue their dominance of the English game.