Croatia and Eintracht Frankfurt star Ante Rebic has praised former boss Niko Kovac but will not discuss rumours linking him with a move to Bayern Munich until after the World Cup.
Kovac was officially unveiled as Bayern head coach on Monday, having moved to the Bundesliga champions to replace Jupp Heynckes.
Since joining Bayern, Kovac has been linked with a raid on his old club, with Croatia forward Rebic reportedly at the top of the list after spending two years working together.
Rebic - who scored twice - and Kovac masterminded Frankfurt's stunning 3-1 win over Bayern in the DFB-Pokal final last season.