Chelsea boss Thomas Tuchel admits they face a battle to beat Manchester United on Sunday.
United go to Stamford Bridge tomorrow boasting an unbeaten away record in the Premier League - something Tuchel is well across.
The German is also wary of United's attacking threat, admitting Ole Gunnar Solskjaer's team can hurt the opposition instantly with their speed and individual quality.
Tuchel admits the result between Chelsea and United could be decisive in the final season placings.
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