Pakistan, June 7 -- Germany's attacking midfielder Lennart Karl will miss the World Cup after sustaining a muscle tear in training before Saturday's friendly international against the United States, coach Julian Nagelsmann said.

The 18-year-old suffered a muscle bundle tear in his left thigh during training on Friday in Chicago and was taken to hospital. He will be replaced by Assan Ouedraogo.

"I feel incredibly sorry for Lenny," Nagelsmann said. "With his light-heartedness, his creativity, his pace, and his personality, he fit into the team perfectly."

Karl enjoyed a meteoric rise this season as he helped Bayern clinch the domestic double and reach the Champions League semi-finals.

"It is a huge shock for him and for all of us that h...