U.S. winger Christian Pulisic will miss friendly internationals with Wales and Panama due to a hamstring injury and return to Premier League side Chelsea to recover, the head coach of the U.S. team, Gregg Berhalter, has said.

The 22-year-old Pulisic, who had returned last month from a lengthy injury layoff, pulled up with a hamstring issue in the warm-up for Chelsea's game at Burnley on Oct. 31.

Chelsea boss Frank Lampard had said Pulisic's latest injury was not serious and the player travelled to Swansea to link up with the national team ahead of Thursday's clash at Wales.

"Christian is a big part of our group," Berhalter told a news conference on Wednesday, while confirming Pulisic would immediately return to Chelsea.

"He has been working through an injury but it really says a lot that he wanted to come into camp, be around the guys and continue to be a leader with this team."

Berhalter's side, who are playing their first international games since February after the COVID-19 pandemic forced their World Cup qualifiers to be postponed, face Panama on Monday.

(For more sports news and updates, follow Ahram Online Sports on Twitter at @AO_Sports and on Facebook at AhramOnlineSports.)