Ashley Cole won't be short of options despite being in the final years of his career.
Instead of going to the World Cup in Brazil, the Chelsea manager is to become an Ambassador Against Hunger for the UN World Food Programme.
Mourinho has been to Champions League semi-finals eight times in the last decade, and could become the first manager to win it three times.
- Costa netted some 35 goals for Atletico last season as they won the Spanish title and reached the Champions League final, where they lost in extra-time to Real Madrid
- The 25-year-old emerged as the leading summer transfer target for Jose Mourinho
- It is believed the transfer fee will be in the region of £32million
Chelsea have reached an agreement to sign striker Diego Costa from Atletico Madrid.
In a statement tonight, Chelsea said:
"Chelsea Football Club can confirm an agreement has been reached with Atletico Madrid for the transfer of Diego Costa, with Chelsea meeting the buy-out clause for the Spanish international."
Goalkeeper Mark Schwarzer has signed a new one-year contract with Chelsea. The former Australia international headed to Stamford Bridge last summer on a free transfer from Fulham.
Schwarzer made 12 starts and a single substitute appearance - in the Champions League semi-final first leg against Atletico Madrid. Earlier this week, Chelsea confirmed the departure of Portuguese goalkeeper Hilario at the end of his contract.
Defender Ashley Cole also leaves Chelsea this summer, along with England midfielder Frank Lampard.
Speaking to Rags Martel, Jose Mourinho said if England went out in the group stage of the World Cup, it wouldn't be a big surprise.
Jose Mourinho was moved to tears as he met hungry children and HIV patients in Africa. ITV News travelled with the Chelsea manager as he visited the Ivory Coast as UN ambassador for the World Food Programme.
Jose Mourinho has told ITV News London that he wants to be England manager one day. Speaking to Rags Martel, the Chelsea manager said he "loves this country", and if one day the opportunity arrives, "then why not."
Jose Mourinho made the comment as he visited the Ivory Coast as UN ambassador for the World Food Programme.
Paris Saint-Germain have announced the signing of Brazil defender David Luiz from Chelsea.
The 27-year-old will join the French champions following the World Cup, where he played in Thursday night's opener against Croatia in Sao Paulo.
A statement on the French club's website read: "Paris Saint-Germain are pleased to announce that for a period of five years Brazilian international David Luiz has moved from Chelsea FC."