The 19-year-old joined the Hammers from Charlton Athletic last summer, and has played five times for Sam Allardyce's men, as well as a loan spell with Championship side Huddersfield Town this season.
Tipped to be a star of the future, Poyet played 23 times for Charlton last season, and his displays earned him the short move from South to East London.
Whilst his club future is tied to West Ham for the foreseeable future, the topic of Poyet's international future has been the subject of confusion.
Poyet has played 13 times for the England Under-16's and 17's, but is also eligible to play for two other countries. Having been born in Spain, Poyet is able to play for La Roja, whilst his father Gus - the Sunderland manager - is Uruguayan, making him eligible for three of the big countries in international football.
It has long been assumed that, because he's played for England at youth level, he'd also be playing for the Three Lions as a senior too.
However, the Mirror suggest that Poyet is set to turn his back on England in order to play for Uruguay Under-20's against Uzbekistan and Portugal in March.
That doesn't completely rule Poyet out of contention for England in the future, but the suggestion is that Poyet is now leaning towards committing his international future to Uruguay for good - which will be a blow to Roy Hodgson and the England setup.