Hammer grab Wolfsburg midfielder
The youngster was picked out by the manager as a signing for next season with his contract at the German outfit due to expire at the end of this term.
And the Hammers are understood to have agreed a five-year deal with the 18-year-old, who will move to the London Stadium on a free in the summer.
Tottenham were also interested in the versatile youngster, who can also operate at right-wing and wing-back.