Although Jarrod Bowen looks increasingly likely to stay at West Ham despite their relegation last season, Crysencio Summerville is a player who could return to the Premier League.
The 24-year-old enjoyed one of his best individual campaigns last season, scoring seven goals and providing five assists in all competitions.
One of West Ham's most valuable players, proven by his inclusion in Ronald Koeman's 26-man Netherlands' World Cup squad, Summerville is a legitimate contender to be sold this summer.
Chelsea one of three Premier League clubs interested in Crysencio Summerville
Manchester United have been monitoring the winger for several weeks as Michael Carrick looks to add depth to his options as the Red Devils prepare for European football next season.
Fulham have also recently joined the race following Harry Wilson's decision to move to Leeds United.
And then there is Chelsea. Despite having multiple wide forwards in their squad, the Blues have lacked that cutting edge in the final third.
The likes of Alejandro Garnacho and Jamie Gittens have failed to live up to the expectations since arriving in west London, and Xabi Alonso wants more.
There are some major worries over Summerville though. According to The Guardian, Chelsea have concerns over the winger's 'consistency and physicality at the highest level' and think he may have to move to a lesser club in order to continue to prove himself.
Not worth the risk
Regardless of whether or not Chelsea's concerns are justified, there is no point the club signing a player they already have fears about.
Even though Summerville wouldn't cost as much as others in his position, Alonso needs proven players willing to get stuck in to help guide the team back up the table.
If there are already questions over his ability to keep up in England's notoriously physical Premier League, he simply isn't worth the risk.
These concerns make sense too. There is a reason neither United nor Chelsea have moved quickly to secure a deal that would probably be quite an easy one to agree, and that probably puts Fulham in the driving seat.
The incoming Alvaro Arbeloa will not be expected to achieve the same kind of results as Carrick and Alonso, so Summerville could come go to Craven Cottage, with the pressure off, and be the main focal point.
The Dutchman has three years left on his contract with West Ham, plus an option to extend by another year, and is valued around £35 million.
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