Real Madrid's Kylian Mbappe, second right, during a training session at the Emirates Stadium, in London, a day ahead of the 1st leg Champions League soccer match against Arsenal.

Real Madrid's Jude Bellingham, center and teammates run, during a training session at the Emirates Stadium, in London, a day ahead of the 1st leg Champions League soccer match against Arsenal.

Real Madrid's manager Carlo Ancelotti speaks to Luka Modric, during a training session at the Emirates Stadium, in London, a day ahead of the 1st leg Champions League soccer match against Arsenal.

Real Madrid's Antonio Rudiger and Vinicius Junior take part in a training session at the Emirates Stadium, in London, a day ahead of the 1st leg Champions League soccer match against Arsenal.

Real Madrid's Vinicius Junior and Kylian Mbappe react, during a training session at the Emirates Stadium, in London, a day ahead of the 1st leg Champions League soccer match against Arsenal.

Real Madrid's Jude Bellingham looks on during a training session at the Emirates Stadium, in London, a day ahead of the 1st leg Champions League soccer match against Arsenal.

Real Madrid players during a training session at the Emirates Stadium, in London, a day ahead of the 1st leg Champions League soccer match against Arsenal.

Real Madrid's Jude Bellingham, center, Vinicius Junior, center right and teammates take part in a training session at the Emirates Stadium, in London, a day ahead of the 1st leg Champions League soccer match against Arsenal.

Real Madrid's Vinicius Junior reacts during a training session at the Emirates Stadium, in London, a day ahead of the 1st leg Champions League soccer match against Arsenal.

Real Madrid's Luka Modric during a training session at the Emirates Stadium, in London, a day ahead of the 1st leg Champions League soccer match against Arsenal.