Arsenal opened up a three-point lead at the top of the Premier League table in style last night.
Kai Havertz and Ben White both scored twice in a 5-nil demolition of Chelsea at the Emirates.
Gunners boss Mikel Arteta was delighted with his side's performance.
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Pochettino claimed his side were "soft".
He can't understand why they played like that, after pushing Manchester City close in Saturday's FA Cup semi-final.