Antonio Conte cautious on title chances after Chelsea extend winning run

• Manager says he will have better idea of side’s credentials in January
• They beat Southampton 2-0 for a fourth league victory in a rowAntonio Conte has warned that Chelsea remain a work in progress, despite an impressive burst of form that has left them a point off the top of the Premier League, and the manager is waiting until the new year before judging whether his team can mount a prolonged challenge.Chelsea stretched their winning run to four league games – their bes