According to Last Word On Sports, West Ham United are interested in signing Watford ace Francisco Sierralta this summer.
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South American football journalist Enzo Olivera recently suggested that two London clubs are chasing the Hornets defender.
The Chile international centre-back joined Watford from Udinese in September 2020.

The 23-year-old has played 19 Championship games for the Hertfordshire outfit this season.
During those outings, Sierralta has averaged 0.9 tackles, 1.2 interceptions and 4.6 clearances per game. He has also won an average of 3.8 aerial duels per match (Who Scored).
West Ham boss David Moyes chasing Watford ace?
The Hammers chief may well be looking to bolster his central defensive ranks in the summer.
Fabian Balbuena faces an uncertain future at the London Stadium whilst Angelo Ogbonna and Craig Dawson will be 33 and 31 respectively before the start of the new season.
Meanwhile, the jury is still out on Issa Diop.
West Ham do have some incredibly talented young defenders coming through the ranks including the likes of Frederik Alves, Aji Alese and Jamal Baptiste.

It could be argued that those three players are not yet ready for regular Premier League action, however.
And Watford ace Sierralta could be a useful addition for West Ham.
Standing at 6ft 4in tall, the Chilean is very strong in the air. His playing style is quintessentially South American.
Sierralta, 23, is a tenacious and dogged defender. If West Ham can pick him up for a reasonable fee this summer it will be somewhat of a no-brainer for David Moyes.
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