NEW YORK (AP) — New York Giants owner John Mara has been appointed chairman of the NFL’s most powerful committee, the Management Council.

Commissioner Roger Goodell announced Thursday several changes to the leadership of league committees, with Mara replacing Panthers owner Jerry Richardson as head of the Management Council, which is the main NFL labor committee.

Goodell also has formed a committee on health and medical issues that will be chaired by 49ers owner John York. Cowboys owner Jerry Jones, Falcons President Rich McKay, Packers President Mark Murphy and Mara also will serve on that group, called the Health and Safety Advisory Committee.

There have been few significant changes to the committees in recent years due to labor and other issues.

Copyright 2011 The Associated Press.

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