Why did Arsenal agree to sell USMNT star Folarin Balogun? Mikel Arteta explains €40m transfer to MonacoChris BurtonGettyF. BalogunArsenalTransfersMonacoUnited StatesPremier LeagueLigue 1Mikel Arteta has sought to explain why Arsenal were happy to sanction a €40 million (£34m/$43m) transfer to Monaco for Folarin Balogun.Article continues belowArticle continues belowArticle continues belowArticle continues belowStriker starred on loan in France last seasonHeading back to Ligue 1 Big-money deal beneficial to all parties