Senior Real Madrid head Fabio Capello joined the growing debate by Kylian Mbappe start at the club.
Los Blancos ended their long push to sign the France captain in June, as they completed a free transfer to the Spanish capital.
Despite struggling to score in his opening games, Mbappe's form has since picked up, with six goals in his last eight appearances.
However, the October international break brought with it more unwanted attention, after Mbappe opted against a call-up to Les Bleus.
The 25-year-old has been undergoing extra fitness work in Madridafter an injury, and a troubled pre-season campaign.
Capello has since spoken about Mbappe with the Italian hinting at his view of distractions and attitude being a concern for the forward.
“When a great star goes to Real Madrid, he must understand that he must work like any other player. At Real Madrid, there is not one star, but many”, as quotes from World of Sports.
Mbappe is expected to return to near full fitness when Real Madrid returns The League action to Celta Vigo on October 19.