Australia vs South Africa
24 March 2018
David Warner had to be physically restrained after charging at Quinton de Kock in a staircase at Kingsmead, reportedly after de Kock made comments about Warner's wife Candice.
Australia vs South Africa
3 March 2018
The Warner-de Kock feud set the toxic tone for the entire 2018 Australia-South Africa series that culminated in the Sandpapergate scandal.
ICC vs Ball Maintenance
2018-03-24
The Sandpaper Gate scandal — where Australia used sandpaper to illegally alter the ball in Cape Town — triggered the most significant tightening of ball-tampering laws in cricket history, including dramatically increased suspensions and a formal distinction between accidental and premeditated tampering.
Australia vs England
12 June 2013
David Warner punched Joe Root in a bar altercation during the Champions Trophy, leading to a suspension that set the tone for a hostile 2013 Ashes series.
Australia vs England (off-field)
13 June 2013
David Warner punched Joe Root in the face at a bar in Birmingham during the ICC Champions Trophy, leading to Warner's suspension.