Former Australian Test bowler Chadd Sayers backed Usman Khawaja over his "Sandpapergate" claims on Sunday, contradicting Pat Cummins' denials that he knew nothing about the ball-tampering plot. Chadd Sayers, part of Australian squad for 2018 South Africa tour, has contradicted Pat Cummins' denials over sandpapergate scandal. Former Australian cricketer Chadd Sayers has challenged captain Pat Cummins' recent statements regarding the 2018.