Fisher, of the St. Louis Rams, and Whisenhunt, of the Arizona Cardinals, will sit on the committee along with Murphy, who played eight seasons with the Washington Redskins and made two Super Bowl appearances.
Fisher was co-chairman of the Competition Committee from 2002-2010 along with current committee Chairman Rich McKay of the Atlanta Falcons.
The committee is charged with analyzing the NFL's on-field product and recommending rule and policy changes.
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