Those who have worked with Chelsea's new boss explain how he got to this point - and the type of approach he will bring

Chelsea confirmó la contratación de Liam Rosenior como su nuevo técnico, ofreciéndole un vínculo de seis años después de que dejara el club francés Estrasburgo el martes.

Leo Castledine is leaving Chelsea to join Middlesbrough on a permanent deal. Standard Sport understands the 20-year-old will sign a long-term contract with Boro, and his medical will be conducted in the north east on Friday. Chelsea have agreed a sell-on clause to be inserted into the deal.

Strasbourg can switch formation depending on the opposition, with a versatility that allows Rosenior to alternate between a back three — typically a 3-4-2-1 — and a back four, in a 4-3-3 or a 4-2-3-1 formation. This is highlighted in their recent passing networks below.

CHELSEA boss Liam Rosenior was spotted sitting next to the son of former Premier League manager Paul Jewell while in the stands for his side’s 2-1 defeat to Fulham. Rosenior, 41, was

Premier League result, match stream and latest updates today - Liam Rosenior watches west London derby defeat from the stands at Craven Cottage

Chelsea’s struggles continued as Harry Wilson’s late goal secured a 2-1 victory for Fulham at Craven Cottage.New head coach Liam Rosenior watched from the stands, not yet in charge, as Chelsea

New Chelsea head coach Liam Rosenior watched from the stands as Harry Wilson’s strike condemned his team to defeat against west London rivals Fulham at Craven Cottage.Rosenior was not appointed in time to take charge but took a watching brief and may have feared the worst when Marc Cucurella was sent off early on.