France international Laurent Koscielny scored a 52nd-minute strike in a 1-0 victory over Newcastle United at St James’ Park on Sunday.
“We celebrated a bit like we had won the Championship which was a bit weird considering the ambition at the start of the season,” he told BBC Sport.
“We were confident, we have not conceded a lot of goals and when we got the goal we were confident of getting the result.”
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