The Thrashers Sunday activated Kozlov, who missed six games with a shoulder sprain suffered in a Feb. 13 game at Vancounver.
Players still on the injured list include goaltenders Byron Dafoe and Jani Hurme, defensemen Frantisek Kaberle and Yannick Tremblay, and left wing Bill Lindsay.
The 31-year-old Koslov has 19 goals and 25 assists this season and 251 goals and 300 assists in his career. He has also played for Detroit and Buffalo.
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