Real Madrid began life without Cristiano Ronaldo with an extra-time defeat to bitter rivals Atletico Madrid in the UEFA Super Cup.
New Real Madrid coach Julen Lopetegui has backed Gareth Bale to excel for the European champions in the coming season.
Arsenal head coach Unai Emery admits teenager Emile Smith Rowe has caught his eye in recent weeks.
Arsenal lost on penalties to a youthful Atletico Madrid side in their International Champions Cup clash in Singapore on Thursday.
Atletico Madrid overcame a scare to see off the challenge of a fired-up Sporting Lisbon and book their place in the semi-finals of the Europa League.
Diego Simeone expressed his pride after Atletico Madrid booked their place in the semi-finals of the Europa League despite a 1-0 defeat to Sporting Lisbon.
Arsenal have been drawn against favourites Atletico Madrid in the semi-finals of the Europa League.