Australia enter the fray on Sunday when they face the Caribbean side before tackling the Proteas two days later .
Australia lifted the global 50 - over title for the fifth time with victory over New Zealand in the final in Melbourne 14 months ago .
Australia , who lifted the global 50 - over title for the fifth time with victory over New Zealand in the final in Melbourne 14 months ago , enter the fray on Sunday when they face the Caribbean side before tackling the Proteas two days later .