Center backs are pushing their way to the top of the agenda for Real Madrid this summer. The off-season promises to be one of change at the Bernabéu following a disappointing campaign, which now appears destined to end without any trophy for the first time since 2021. Álvaro Arbeloa is tipped to depart, while there could a number of changes to both the roster and the hierarchy as Florentino Pérez looks to navigate a period of transition. On the pitch, few areas need closer attention than at center back. Los Blancos are on a run of nine games without a clean sheet in all competitions, while Éder Militão’s latest injury setback has only further highlighted the club’s lack of solidity at the back. Antonio Rüdiger should get a contract extension, in spite of his fitness also needing to be carefully managed, but Raúl Asencio and David Alaba are seemingly on their way out.…