Real Madrid goalkeeper Thibaut Courtois believes the team's shock La Liga defeat to Cadiz is a good wake-up call heading into their Champions League opener and El Clasico showdown against Barcelona.
Defending champions and La Liga leaders Madrid suffered a surprise 1-0 loss to newly promoted Cadiz on Saturday.
Madrid succumbed to Anthony Lozano's 16th-minute effort, after Luka Jovic had a goal ruled out and Karim Benzema hit the crossbar.
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It was Madrid's first loss of the 2020-21 season and first to Cadiz since 1991 as they prepare for Wednesday's Champions League clash with Shakhtar Donetsk and Saturday's Clasico at Camp Nou.