West Ham have made a £25 million offer for young Brazilian striker Luis Guilherme, The Pitch Prospect has learned.
The highly-rated 18-year-old Palmeiras winger was in talks to move to East London this summer.

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Hammers technical director Tim Steidten is believed to be in Brazil to try and finalise the deal.
Guilherme, whose contract with Palmeiras expires in 2026, has been playing for the Brazilian first division club since 2017.
He made his first-team debut in April 2023 and has since made 44 appearances, scoring one goal and providing one assist.
Guilherme also won Serie A with his club last season.
The teenager has represented Brazil in the U16 and U20 national teams.
He primarily plays on the right wing, but can also operate on the left or as an attacking central midfielder, making him a versatile option for the Hammers.
Although Guilherme plays for a country that has produced football greats such as Ronaldinho and Pelé, he previously cited another South American as his inspiration.
“Lionel Messi is the player I like to watch the most and I always follow him,” the youngster told Globo in 2021. “For me, he is the best in the world. He is my great inspiration.”
Guilherme could be one of the first new signings of the Julen Lopetegui era at the London Stadium following the departure of David Moyes at the end of the season.

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In the meantime, the Hammers could say goodbye to striker Danny Ings.
Southampton are keen to re-sign their former player, who could return to St Mary’s this summer alongside Adam Lallana.