The Celta Vigo head coach is preparing his troops for the frightening task of facing Los Blancos at the Santiago Bernabeu and stressed the size of the task facing his side

Paco Harrera believes the current Real Madrid squad is the strongest the club have ever had and has pointed out their main threats.Celta Vigo travel to the Santiago Bernabeu on Saturday evening and even though Jose Mourinho's side have been hit with a lengthy injury list, the Celestes' coach does not think it will affect them.“This is the best Real Madrid in history,” he declared.“Last year they were the top scorers, they beat you by knockout. This year they have started differently but they are recovering their style.”The 58-year-old then reeled off a list of potential hazards to his team's target of leaving Madrid with a surprise victory.“They have the best goalkeeper in the world, Iker Casillas, the best central defender, Sergio Ramos, and one of the best central midfielders, Xabi Alonso," he added."Cristiano Ronaldo? That's different, him and Lionel Messi are the two best.”