The young winger has accepted a US call-up to November's European camp, despite being capped at U19 level by Germany.
"Julian Green is a tremendous talent," said Klinsmann in a statement provided by U.S. Soccer. "We have been scouting him for more than two years, and we are thrilled to bring him into our camp and introduce him to the senior team program. We believe we could help him grow into a special player."
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