An internal News Corp investigation has cleared veteran sports hack Phil "Buzz" Rothfield of wrongdoing, five weeks after the Fairfax story that controversial gambler and former brothel owner Eddie Hayson had made payments to a TAB account held by Rothfield. A returned but chastened Rothfield said in his column on Sunday that he would no longer be punting with Hayson, acknowledging the relationship put "me and my editors in a difficult position".