Experienced Spain defender Cesar Azpilicueta said Saturday he was excited by the squad's "bold" youngsters as La Roja set their sights on a second World Cup crown.
Real Madrid face Chelsea in the Champions League quarterfinals second-leg tie at the Estadio Santiago Bernabeu in Madrid.
Recent Club World Cup winners Chelsea are heavy favourites to beat Lille in their Champions League last-16 tie as Thomas Tuchel's side look to retain the title they won by beating Manchester City in last season's final
Club World Cup: Kai Havertz, the hero in the Champions League final against Manchester City, was Chelsea's match-winner again as he converted a penalty on 117 minutes awarded following a VAR review
Chelsea captain Cesar Azpilicueta has urged his teammates to show an immediate response after falling off the top of the Premier League and finishing a disappointing second in their Champions League group.
Zlatan Ibrahimovic somehow escaped getting sent-off during Sweden's World Cup qualifier against Spain despite a brutal shoulder barge on full-back Cesar Azpilicueta.
Euro 2020: Spain beat Croatia 5-3 after extra time in their Round of 16 match to reach the quarter-finals.
Chelsea captain Cesar Azpilicueta called N'Golo Kante "the best in the world" as the club celebrated a second Champions League title after a 1-0 win over Manchester City in the final on Sunday.
Premier League: Table-toppers Manchester City face Chelsea in their upcoming fixture at the Etihad Stadium. Both teams will also face each other in the Champions League final.
Premier League: Two moments of magic from Cesar Azpilicueta and Marcos Alonso mean Thomas Tuchel now has four points after two matches at the helm.