Any return would have to be considered in the future with Yorkshire’s players and staff having taken wage cuts due to the pandemic.
The traditional method of spit-polishing to produce movement through the air has been deemed too great a risk of transmitting coronavirus.
Australia is preparing to host a Test series with India as well as the T20 World Cup.
Everything's coming up Marnus.
Marnus on day one, Mitchell on day two.
More wickets for Pat Cummins, Mitch Starc destroys the tail.
Stuart Broad and Mitchell Starc star in Old Trafford morning session.
Aaron Finch's men are currently top of the World Cup group stage with 14 points from eight games, having won seven of them.
Mitchell Starc aims to return against Pakistan next month.
Australia paceman Mitchell Starc insists the Aussie bowlers will continue to work really hard on their batting as their runs have proved crucial the current Test series against India.