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Maurizio Sarri says Olivier Giroud is "very important" to Chelsea after the forward's first goal since May put the Blues into the last 32 of the Europa League.
The France international, who had not scored under Sarri, headed in Emerson's cross at the near post early in the second period to maintain the Blues' 100% Group L record.
"I'm pleased for him," Sarri said. "I know strikers want to score. And so for his confidence, I think it's very important.
"I don't want him to be worried about scoring, because for us he's very important, a very, very useful player for the team."
Chelsea are now six points clear of Hungarian side MOL Vidi, who moved up to second in the group with a win over PAOK Salonika.
Despite the chilly conditions in Belarus, a white-hot atmosphere had greeted Sarri's side at a tightly-packed Borisov Arena.
And it was the hosts, who had confirmed their 13th consecutive Belarusian league title on Sunday, who initially went on the offensive.
During a 60-second period, Bate twice carved out opportunities with Dmitri Baga's rasping drive hitting the post and Chelsea keeper Kepa Arrizabalaga athletically saving Stanislav Dragun's header from a corner. Besttips today , surefixedmatches