Defeat left Chelsea 13 points behind reigning champions City with a little over a third of the league campaign remaining.
But Sarr is determined to help the Blues keep fighting even if our title prospects are very slim.
He said, "The result will make it harder, but it was not a final, there are still lots of games left and points to fight for. The league is very long.
"I have confidence in the group and the capacity of our team, and I have no doubt we will battle until the end. It's really possible we can recover ground."
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