Zinchenko, Jesus, de Ligt and Barry Cotter all have moves confirmed.
Bayern Munich have signed Dutch international defender Matthijs de Light from Juventus for 77 million euro on a five year deal.
Barcelona have completed the signing of Polish international striker Robert Lewandowski from Bayern for 50 million euro.
He has signed a four year deal with the Spanish club.
Meanwhile, Manchester City boss Pep Guardiola has thanked Oleksandr Zinchenko and Gabriel Jesus for their contribution.
Zinchenko is joining Jesus at Arsenal before the start of the new season:
In the League of Ireland, Shamrock Rovers defender Barry Cotter has joined St Pat's on loan until the end of the season.
He makes the move to Inchicore having signed for the Hoops last year.
Cotter previously spent time at Limerick, before joining Ipswich Town.
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