Jens Lehmann has labelled Arsenal's appointment of Unai Emery a "mistake" and slammed the club's former boss as "not good enough".
Emery was selected as the long-term successor to departing boss Arsene Wenger in May 2018, following more than two decades with the Frenchman at the helm.
But the ex-PSG and Sevilla coach was sacked from his role just 18 months later after a run of seven matches without a win - The Gunners' worst spell since 1992.
He argued Arsenal were already on the decline when he took over, but Lehmann feels the relationship was doomed from the start. "I was there as an assistant coach two years ago but then Arsene has left and they have changed the whole managerial team and I think they made a mistake by choosing the
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