Barca were beaten in extra-time.
Relief for Barca - Eurosport
Athletic Bilbao give Barcelona more Copa del Rey heartache
Xavi's trophy hopes at Barcelona shrink after Copa del Rey exit
Gareth Bale's wonder goal and Barcelona on the receiving end of a fine comeback top five Copa del Rey moments, Football News
Player Ratings: Real Madrid 0-1 Barcelona; 2023 Copa del Rey El Clasico - Leg 1 - Managing Madrid
Benzema hat trick leads Madrid past Barca to Copa del Rey final - TSN.ca
Three stats from Real Madrid's 3-1 Copa del Rey derby win over Atlético Madrid - Managing Madrid
Athletic Club - Barcelona summary: score, goals, highlights, Copa del Rey 2023/24 - AS USA
🏆 HIGHLIGHTS ATHLETIC 0-4 BARÇA COPA DEL REY 2021 FINAL CHAMPIONS! 🏆 #CopaBarça