“Borusia” takes Bata away from them. The contract is for the period up to 2029, with no transfer fees involved…

“Borussia Mönchengladbach” has signed Batz to a contract until 2029, with no transfer fees involved.
Officially: Daniel Batz has transferred from Mainz to Borussia Mönchengladbach.
He is a free agent. The contract is valid until the summer of 2029.