Xabi Alonso reacted after Real Madrid got hammered by rivals Atletico Madrid in the Madrid derby on Saturday. Los Blancos suffered their first loss of the 2025-26 campaign as Diego Simeone's side registered a convincing 5-2 derby win at the Metropolitano Stadium courtesy of a brace from star striker Julian Alvarez. Veteran star Antoine Griezmann was also on target for Atletico.