Krystian Bielik has left Derby County to sign for Sky Bet Championship side Birmingham City on a permanent basis.
Bielik, who is 25, spent the 2022/23 season on loan at Birmingham and was a regular in their side throughout the campaign.
An undisclosed fee has been agreed for the Poland international midfielder who leaves Derby after making 49 appearances following his arrival from Arsenal in the summer of 2019.
Derby County would like to wish Krystian every success in his future career and offer its thanks for his efforts throughout his time with the club.