Atlanta United youngster George Bello will miss two-to-three months with a right adductor injury, the team announced on Friday.
Bello suffered the injury during training on Tuesday. The 17-year-old previously suffered a groin injury in a CONCACAF Champions League loss at Herediano on Feb. 21 and has not played for the first team since.
Bello started two games in three appearances last season for the defending MLS Cup champions.
A Homegrown Player signing from nearby Douglasville, the Nigeria-born Bello has also played for the U.S. youth teams.
Atlanta United (2-3-2, 8 points) returns to action Sunday when it travels to play Sporting Kansas City.