Real Madrid needed extra time to defeat Celta Vigo in the Copa del Rey round of 16, but the extra half hour shouldn't overshadow some of the positives coming out of the match.

Kylian Mbappé has admitted he was "thinking a lot" as he struggled to adapt to life at Real Madrid, saying he "couldn't do any worse."

Real Madrid's Kylian Mbappe has been in inspired form with four goals in their last three games and said on Tuesday it took him longer than expected to play like his old self after moving from Paris St Germain as he adjusted to a new team.