Manchester United star Mason Greenwood has revealed the toughest opponent he's faced so far in his career - and it isn't anywhere close to what you were expecting.
The 19-year-old forward has come up against the likes of Paris Saint-Germain, RB Leipzig, AC Milan and Sevilla in his fledgling career - not to mention the Premier League heavyweights.
That's seen Greenwood pit his skill and pace against some of the best defenders in world football.
Mason Greenwood struggles to get the better of Joe Bryan during Manchester United's Premier League meeting with Fulham at Craven Cottage back in January
The teenage United forward has named Bryan as his toughest opponent in a fan Q&A session
But when asked in a Q&A session with fans which opponent has caused him the most frustration, Greenwood certainly raised a few eyebrows.