Costa will return to first team action following last weeks dispute after ‘positive’ talks with Antonio Conte, but the Spaniard is still refusing to sign a new contract.

Diego Costa has spoken privately with Antonio Conte, after returning to first-team training following the dispute last week that created such uncertainty over the strikers immediate future at Chelsea.

The 28-year-old had been working alone at Cobham over the past week, having complained of a back injury since last Tuesday.

With that coming amid interest from Chinese Super League outfit Tianjin Quanjian, it led to a training-ground blow-up, and the Premier League top scorer ultimately being left out of the match-day squad for the 3-0 win away to Leicester City.

Reliable club sources say the player and Conte have now spoken privately, away from the rest of the squad. There is now a renewed confidence that the Spanish international will return to the team – at least for the moment.

At the same time, there is also an acceptance that Costa does not wish to sign a new contract with the club, so it is now highly likely the Spaniard will be sold in the summer.

The player’s old club Atletico Madrid are almost certain to come back in for the striker.

Chelsea meanwhile have already started the search for a replacement, with Real Madrid’s Alvaro Morata and Everton’s  Romelu Lukaku believed to be the most likely.