By Sam Ryan Despite starring in a 20-minute cameo off the bench in the Wallabies thrilling victory over the Springboks in Brisbane, Matt Toomua still isn't sure if he’s done enough to earn a starting position for this weekend’s clash against Argentina. “I've got about as much information as you do. Cheik will name the team tomorrow as far as I’m aware so we’ll know a bit more than,” the 25 year old said after training in Mendoza this morning. “Obviously I’ve been training at both 12 and 10 throughout the last few weeks. If I get a shot to start then that’s great, but it’s about what is best for the team.” Whilst Matt Giteau has been ruled out of Saturday’s match, Michael Cheika still has Toomua, Quade Cooper, Bernard Foley, Kurtley Beale and Christian Lealiifano to choose from, to fill the No.10 and No.12 jerseys, with a bench spot also expected to be saved for one of the playmakers. “In all honestly, either one of them (No.10 or No.12) would be great. �