By Jude Summerfield Barcelona manager Xavi says individual mistakes have cost his side in the La Liga title race after Real Madrid won their 36th championship in Spain. Los Blancos’ victory over Cadiz put pressure on Barca to get result away at Girona on Saturday night but the Catalan giants fell to a 4-2 defeat, meaning they can no longer mathematically catch Madrid at the top of the table. It’s been another turbulent year for Barca and manager Xavi, who will stick around for the 2024/25 season after reversing his decision to quit, but the legendary midfielder was dissatisfied with his team’s…