April 7 (Reuters) - U.S. ⁠striker Patrick Agyemang has suffered an ⁠Achilles tendon injury that will keep him ‌out of the World Cup, his English club Derby County said on Tuesday.

The 25-year-old was injured in the ​first half of Derby's 2-0 ⁠win over Stoke City ⁠in the Championship (second tier) on Monday and was ⁠taken ‌off on a stretcher.