Cristiano Ronaldo was unable to hide his frustrations with Manchester United colleague Mason Greenwood during the first half of their clash with West Ham.
The 36-year-old has spoken publicly about the attitude of younger players and their ability to take criticism and improve.
"If I give you advice, even if you are younger than me, if you don't implant that during your daily life, it will be difficult,” he told Sky Sports earlier this month.
