Australia's Mitchell Starc embraces captain Pat Cummins, right, after defeating West Indies on day four of the second cricket Test match at the National Cricket Stadium in St. George's, Grenada.

West Indies' Shamar Joseph plays a shot which was caught by Australia's Beau Webster on day four of the second cricket Test match at the National Cricket Stadium in St. George's, Grenada.

Australia's Cameron Green, center, celebrates with Beau Webster, and Sam Konstas after taking the catch to dismiss West Indies' Alzarri Joseph on day four of the second cricket Test match at the National Cricket Stadium in St. George's, Grenada.

Australia's Mitchell Starc celebrates taking the wicket of West Indies' Justin Greaves on day four of the second cricket Test match at the National Cricket Stadium in St. George's, Grenada.

Australia's Mitchell Starc celebrates taking the wicket of West Indies' captain Roston Chase on day four of the second cricket Test match at the National Cricket Stadium in St. George's, Grenada.

Australia's captain Pat Cummins appeals after a delivery to West Indies' Shai Hope on day four of the second cricket Test match at the National Cricket Stadium in St. George's, Grenada.

West Indies' Shai Hope plays a shot from a delivery of Australia's captain Pat Cummins on day four of the second cricket Test match at the National Cricket Stadium in St. George's, Grenada.

Australia's Beau Webster celebrates taking the wicket of West Indies' Kraigg Brathwaite on day four of the second cricket Test match at the National Cricket Stadium in St. George's, Grenada.

Australia's Josh Hazlewood celebrates after taking the wicket of West Indies' John Campbell on day four of the second cricket Test match at the National Cricket Stadium in St. George's, Grenada.

West Indies' Kraigg Brathwaite plays a shot from a delivery of Australia's Mitchell Starc on day four of the second cricket Test match at the National Cricket Stadium in St. George's, Grenada.