Jose Mourinho has said Diego Costa's recovery from a hamstring injury is going well and the striker could return for next weekend's Premier League showdown with Arsenal. Costa sustained the injury in the 2-1 home win over Stoke City on April 4 and was expected to be out for a month. But his recovery has been quicker than expected and the 19-goal frontman will rejoin the squad for training next week. Jose Mourinho offered some positive injury news as he spoke ahead of Chelsea's game with Man United . Costa injured his hamstring in the win over Stoke City at Stamford Bridge on April 4 . Mourinho hinted that Loic Remy should return from a calf injury against Manchester United . Chelsea currently enjoy a seven-point lead in the Premier League title race with a game in hand . April 18 Manchester United (H) April 26 Arsenal (A) April 29 Leicester City (A) May 3 Crystal Palace (H) May 10 Liverpool (H) May 18 West Bromwich Albion (A) May 24 Sunderland (H) Speaking ahead of Chelsea's home clash with Manchester United on Saturday night, Mourinho said: 'Diego is progressing very well, I think he has a chance for next weekend. 'Our target for him was to play the last four matches. Arsenal is the sixth from the end, so if he doesn't play against Arsenal or Leicester, it is not a problem because we were always focusing on the last four. 'But thing are going so well he has a chance [of facing Arsenal]. He's training, he starts training with the rest of the squad next week.' Mourinho also said that Loic Remy has recovered from a calf injury and could return against United. The Blues currently have a seven-point lead at the top of the table and still have a game in hand over Arsenal.
Striker suffered his hamstring in the 2-1 win over Stoke on April 4 .
Costa has recovered ahead of schedule and will train with squad next week .
He could return for their top-of-the-table clash with Arsenal next weekend .
Jose Mourinho's side face Manchester United on Saturday .