The Ibrox side have come through two early-season Cup matches with Hibernian and Peterhead without any fresh injury concerns.
Only Cammy Bell remains a doubt as he recovers from a knee injury, while trialist John Eustace continues to work towards clinching a deal with Warburton’s squad.
St Mirren dropped out of the top flight of Scottish football last season after finishing 11 points adrift at the bottom of the table.
New manager Ian Murray has been tasked with the job of getting them out of the Championship at the first attempt – and the former Dumbarton boss has brought in six new players to help him in that quest.
One new arrival who will be desperate to be involved is young striker Calum Gallagher, 20, who swapped Govan for Paisley earlier this week, signing a one-year deal at St Mirren Park.