Duminy made history when he was the first South African to take a hat-trick at a Cricket World Cup, which he did against Sri Lanka during the 2015 tournament.

[6] Duminy is a successful batsman generally occupying the top order, a skilled fielder and a useful change bowler.

Though he bowls less frequently in One Day Internationals, he has also found success with the ball, making his ODI debut in 2004 against Sri Lanka.

Replacing injured vice-captain Ashwell Prince,[1] Duminy made his Test debut against Australia at the WACA in Perth on 17 December 2008, scoring 50* in the second innings and putting on an unbroken century partnership with AB de Villiers.

[13][14] In October 2017, Faf du Plessis suffered an injury during the third ODI against Bangladesh and ruled him out of the T20I series.

[16][17] Duminy retired from international cricket after playing his team's last group stage match against Australia.

He captained Winnipeg Hawks to the 2019 Global T20 Canada title, with Duminy named Player of the Tournament during which he was the leading run scorer.