article_snippet.sent: Chelsea are set to be without star striker Diego Costa for Sunday's trip to Arsenal after Chelsea failed to recover in time from a hamstring injury.
article_snippet.sent: Jose Mourinho Jose Mourinho said on Friday that Jose Mourinho would make a late decision on Costa’s fitness, but Jose Mourinho leading scorer is not in a condition to play at the Emirates Stadium.
article_snippet.sent: Diego Costa suffered the latest in a string of hamstring injuries against Stoke City three weeks ago but Chelsea are wary of risking Chelsea while they hold a comfortable lead in the Premier League.
article_snippet.sent: Diego Costa has not featured for Chelsea since going off injured against Stoke on April 4 .
article_snippet.sent: Diego Costa is not even likely to be named on the bench for Chelsea at the Emirates on Sunday .
article_snippet.sent: Chelsea is unlikely to even make the bench for SundayCosta’s top-of-the-table clash and Chelsea could also miss the potential title clincher at Stoke City on Wednesday night.
article_snippet.sent: Chelsea had hoped that Diego Costa would be able to train with the rest of the squad this week but Chelsea participation has been limited by Chelsea injury.
article_snippet.sent: Costa has been sidelined four times this season with Chelsea at the Emirates hamstrings, which also gave Chelsea at the Emirates trouble at the tail end of Chelsea at the Emirates last campaign with Atletico Madrid.
highlights_snippet.sent: Jose Mourinho said on Friday that Costa’s .
  