Brazilian David Luiz 'shocked' at Chelsea defeat
The defender, 25, couldn't explain his side's loss: "I don't know. They don't give you the opportunity to win the game. We did not play well, I am shocked by the peformance."
"The early goal gave them big confidence. When you score in the first five minutes in your own stadium you have a lot of support.
"'It was a difficult game and we didn't play well. When you play for a big club you need to be a big player when you lose and we saw the truth of the game, we should have played better and didn't give ourselves the opportunity to win the game.
"It was a hard game, everybody who saw it knows that. We have to say congratulations to Shakhtar because they played well."
That next game will be a top of the table clash with title rivals Manchester United on Sunday with Chelsea already leading the Premier League by four points.
Chelsea crashed to a 2-1 defeat after goals from Alex Texeira and man-of-the-match Fernandinho gave Shakhtar a three point leads at the top of Group E with three games left to play.
The club now face competition from Juventus for second place with the Italian giants one point behind them in third after their 1-1 draw with FC Nordsjaelland.
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