He received his law degree in 1974 and began working as an attorney for Fairchild Construction Company in Hattiesburg, a job he held until he saved up enough money to open his own private practice in 1976.
After ten years, he briefly looked into the possibility of representing NBA players, but that didn't work out and Cook had no further plans of venturing into the world of sports agency until he met Favre.
[2] Cook's first client as a sports agent was Brett Favre, after the two hit it off playing golf in Mississippi.
[4] Some of Cook's notable clients have included Calvin Johnson, Randy Moss, Marcedes Lewis, Adalius Thomas, Michael Turner, Jerious Norwood,[5] Tony Scheffler, Cam Newton, and Russell Wilson.
[3] Cook has been criticized for his involvement in the controversial career decisions of his clients, particularly Favre and Cutler in the 2008 and 2009 seasons.
Cook took exception to Favre's admission and was quoted in an interview in the August 2010 edition of Men's Journal as saying: “Brett talked to goddamned Ed Werder at ESPN, says he needs ankle surgery.