Toni Kroos did not leave Real Madrid but Real Madrid did not extend his contract. In the few matches that Toni Kroos hasn't been on the field, Real Madrid have seen a clear weakness in the midfield. Real Madrid's current situation Real Madrid's midfield will be weakened next season when Luka Modric leaves Real Madrid. Toni Kroos was Real Madrid's best performer and was the best player until the last match he played. Real Madrid could have extended his contract for another season or two if he wanted. Real Madrid may have planned to release Toni Kroos so that Jude Bellingham can play in place of Toni Kroos and Mbappe is in the striker position. But now the problem is with the injuries of some important players. If the injury problem is solved, maybe Real Madrid will return to the best performance.
Real Madrid's midfield will not continue to weaken this season and also next season because Real Madrid is a team that pays close attention to every important line to be strengthened by them by bringing in the best players they want. Currently, Real Madrid is indeed being hit by injuries to several important players, but this will not immediately have a bad impact on Real Madrid because the squad that Real Madrid currently has can still be considered strong even though several other players have not yet recovered from the injuries they have suffered.