Sydney is set to make an 11th-hour bid to fill its final list spot on Friday, flying two state league players to the Harbour City for medical screenings.
Just seven days out from the pre-season supplemental selection period (SSP) deadline, South Adelaide's Hayden McLean and former Magpie Sam McLarty will jet into Sydney.
With confirmation third-year key defender Jack Maibaum is to be placed on the long-term injury list after rupturing his ACL, the Swans have the ability to replace him prior to March 15.