In the lead up to his return in Gqeberha this week, Kagiso Rabada referred to his 2018 run-in with Steve Smith as two athletes with testosterone to burn.
South Africa's pace spearhead helped bring that and more as the Proteas turned up the fire on Australia in a potentially series-defining day at St George's Park.
Where last week South Africa had perhaps been too meek and reserved in a 214-run loss in Durban, the same could not be said on Wednesday.
