👻 ð—•ð—¢ð—¢...#Millwall have completed the signing of midfielder Casper De Norre!
— Millwall FC (@MillwallFC) July 21, 2023
"Casper is a player who we have pursued throughout the summer so we are delighted to have reached an agreement to bring him to Millwall before the start of the new season," said director of football operations and recruitment Alex Aldridge.
"He has been a key player for OH Leuven for a number of years and at 26 is entering the prime of his career, having played more than 150 games in the Belgian League as well as in European competitions with Genk.
"Casper will be a strong addition to Gary's midfield options as we continue to assemble our squad in this transfer window."