All-rounder - Mitchell Marsh

Mitchell Marsh replaced Peter Handscomb in the third Test match and despite a poor outing in Melbourne, the all-rounder is most likely to retain his place in the playing XI. Marsh bowled 26 overs with the ball in the match and had an enviable economy rate of 1.96.
A talented all-rounder like Mitchell Marsh should not be dropped after just one match and so he should be included in the playing XI of the final Test.
Spinner - Nathan Lyon

Off-spinner Nathan Lyon is the leading wicket-taker for Australia in the ongoing series and he will once again be the key player for the home side in Sydney. Lyon has picked up 17 wickets in the series and would be looking to add some more in the fourth Test match.
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