Jakub Kiwior is in talks to leave Arsenal and join Portuguese giants Porto before the summer transfer window closes.

The Poland international was left out of the Gunners squad that took on Manchester United at Old Trafford on Sunday.

A goal after 13 minutes from Riccardo Calafiori was enough to seal all three points for Mikel Arteta’s side in their opening game of the new Premier League season.

Kiwior has been repeatedly linked with a move away from north London during the summer with interest from Porto emerging earlier this month.

Reports in Portugal suggested Porto had given up on a prospective move after learning of Arsenal’s huge £26m asking price.

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The club have since signed Jan Bednarek in a €7.5m (£6.5m) deal from Southampton but late

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