 FOXSports.com 's Jay Glazer reported on July 16 , 2008 , that the Packers filed tampering charges against the Minnesota Vikings with the league office , alleging improper communication between Vikings offensive coordinator Darrell Bevell and Favre , although one source suggested that Favre may have been in contact with Vikings head coach Brad Childress . After an investigation , Commissioner Roger Goodell ruled there had been no violation of tampering rules . 
