He wasn't even considered as a replacement when Jhye Richardson was ruled out of the tournament.
Handscomb was brilliant during the India tour but was unfortunate to miss out.
Australia will begin their World Cup defence against Afghanistan on June 1 in Bristol.
"It’s a good position to be in for Australian cricket."
Both of them haven't played any form of cricket for quite a while now.
Hazlewood last played in the Test series against India in January.
Hazlewood is set to undergo a follow-up scan on Friday which would reveal the progress of his recovery.
Hazlewood had sent down more than 150 overs in the series against India.
"They are the backbone."
This will raise some serious questions.