Cummins took four for 32 and Hazlewood claimed three for 40 for Australia ion Day 1 in their three-day game against South Africa.
Australia won The Ashes 2017-18 4-0, while they trail the 5-ODI series 0-3 against England.
Josh Hazlewood is likely to be replaced by Jhye Richardson.
Trevor Bayliss is set to step down from his position in 2019 after the Australia’s Ashes tour of England.
Pat Cummins has played all the five Ashes Tests so far holding 19 wickets at 27.78, ahead of spinner Nathan Lyon (18).
Australia have regained the Ashes after defeating England at Perth.
Steven Smith woke up, got ready, took the team bus, padded up, and broke records like it is a part of his routine. He owned the third Test of the 2017-18 Ashes.
Mark Stoneman stood tall against Australian bowlers' barrage of short deliveries on Day One of the third Test at Perth.
Mitchell Johnson, former Australian bowler who destroyed the England side in the Ashes series of 2013 by taking 37 wickets visited the England team in a practice session.
The Australian pace trio of Mitchell Starc, Josh Hazlewood and Pat Cummins can replicate Mitchell Johnson's devastating bowling at the Gabba ground in 2013