The Lille winger is one of four USMNT regulars that will miss out on the current camp
U.S. men's national team boss Gregg Berhalter says that Timothy Weah recently suffered a "very bad hamstring tear" that kept him out of the current camp.
The U.S. convened on Monday for the first day of camp ahead of upcoming friendlies against Mexico and Uruguay.
But Weah was not included among Berhalter's 26-man squad as the Lille attacker had been diagnosed with an injury ahead of the team's selection.
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The 19-year-old has played in eight games for the USMNT, scoring once, but has yet to join the U.