Gedion Zelalem has left Arsenal for Sporting Kansas City on a free transfer.
The injury-prone 22-year-old made four appearances in six years at the Gunners.
"Gedion is a talented player and we are excited to welcome him to the club," Sporting KC Manager and Sporting Director Peter Vermes said.
"We look forward to his integration into the squad as the team competes in multiple competitions throughout the season."