South African captain caught ball tampering multiple times — once using his trouser zipper and once with a mint — in separate incidents.
3 incidents documented
South Africa vs Australia
19 November 2016
South African captain Faf du Plessis was found guilty of ball tampering for applying mint-laden saliva to the ball during the Hobart Test against Australia.
South Africa vs Pakistan
November 2013
Faf du Plessis was caught on camera applying saliva to the ball while sucking a mint, which constitutes ball tampering. He was fined but not banned.
South Africa vs Pakistan
15 October 2013
Faf du Plessis was caught on camera rubbing the ball against the zipper of his trouser pocket during a Test against Pakistan, constituting ball tampering.