Diego Costa trains with his new Atletico Madrid team-mates for the first time since signing from Chelsea

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After a summer of solo work and refusing to return to Chelsea, Diego Costa finally got the chance to return to a normal working pattern.

The Spain striker trained with his new Atletico Madrid team-mates for the first time after sealing his return to the club.

Following a summer that involved a high-profile falling out with Antonio Conte, and his exile from the first-team setup, he finally got his wish to rejoin his old club last week.

Diego Costa trained with his new Atletico Madrid team-mates for the first time on Friday

Costa rejoined his old club three years after leaving them for Chelsea in 2014

The Spanish international cannot play until January due to Atletico's transfer embargo

Costa rejoined the team he left for Stamford Bridge in 2014 in a stunning £57.5m deal, bringing an end to the long-running saga.

Atletico Madrid are currently under a FIFA transfer ban until January and as such, Costa cannot play for his new side until the new year.

But that hasn't stopped the Spanish international from getting involved in training.

Having watched from the stands on Wednesday night as his old club scored a dramatic last-minute winner at the Wanda Metropolitana in Champions League, he looked in good spirits alongside his new colleagues on Friday.

Antoine Griezmann scored a penalty in Atletico's 2-1 defeat by Chelsea on Wednesday night

Costa has begun his training schedule as he looks to keep up to speed over the coming months

Fernando Torres stretches his legs wide apart as he and his team-mates train in Majadahonda

Atletico travel to Leganes on Saturday in their final fixture before the international break. When they return in the middle of next month, Barcelona will lie in wait at their new home.

Diego Simeone's side have made a positive start to the new season, and lie second in the table.

Barcelona, though, have already opened up a four-point gap at the top after winning their first six games. 

Atletico play their final fixture ahead of the international break away at Leganes on Saturday