Mitchell Marsh has declined to revisit the 2018 Sandpapergate scandal after Usman Khawaja’s memoir reignited questions about how much the Australian squad knew. Australian captain Mitchell Marsh dismisses calls to revisit the 2018 ball-tampering scandal following Usman Khawaja's new revelations, while David Warner has voiced his full support for. Australia's stand-in ODI captain Mitchell Marsh has refused to comment on Usman Khawaja's 2018 Sandpapergate book claims ahead of the England series.