Arsenal manager Mikel Arteta fears title rivals Liverpool have assembled the strongest squad in the Premier League following the acquisition of Alexander Isak.Liverpool broke their transfer record twice this summer to sign Florian Wirtz from Bayer Leverkusen, in a deal which could rise to £116million, before spending £125m on Isak on deadline day.In all, the champions spent over £400m on new signings - some £200m more than Arsenal, who themselves recruited eight new players this summer.

Arsenal manager Mikel Arteta fears title rivals Liverpool have assembled the strongest squad in the Premier League following the acquisition of Alexander Isak.Liverpool broke their transfer record twice this summer to sign Florian Wirtz from Bayer Leverkusen, in a deal which could rise to £116million, before spending £125m on Isak on deadline day.In all, the champions spent over £400m on new signings - some £200m more than Arsenal, who themselves recruited eight new players this summer.