AC Milan have been heavily linked with a swoop, while rumours connecting him with the Chinese Super League also persist, despite Costa saying last month he would not make such a switch as it would jeopardise his hopes of playing in the World Cup. However there were signs of disharmony between him and the coaching staff throughout the campaign.
The 28-year-old has an impressive record of 52 goals in 89 league games and was seen by Mourinho as the missing piece of the jigsaw when he signed for £32million. Following a reported dispute with a fitness coach. However Chelsea insisted he was not for sale.
Diego Costa's form has resonated Chelsea's results for the last 3 years.
The Premier League champions retain an interest in Southampton defender Virgil van Dijk, who is no longer under immediate consideration by Liverpool, and will seek to purchase a back-up goalkeeper to replace Asmir Begovic.
"I have to leave Chelsea this summer because Conte has told me that he's not counting on me [for next season]". Beyond that, it's a little less certain as Conte will have to find the right balance in the market and make key additions to his squad which will help them compete on various fronts and not just make up the numbers.
In an interview with Marca, he also confirmed that his relatioship with the manager has not been great.
For Ramos and his Real Madrid team mate Isco it was a ideal end to the season, having already won La Liga and the Champions League.
Even at times when his goalscoring touch has evaded him - the Spaniard managed only six of his 20 league goals in the second half of the season - he still does an important job for his side. He could be the ideal man to replace his worldwide teammate. It seems the Belgian will be making a return to Stamford Bridge as reports say he is rejecitng a better offer form Manchester United.