Makeshift leftback Kye Rowles shapes as crucial to the Socceroos' hopes of securing a spot in the final round of World Cup qualification as Graham Arnold waits to learn the results of Jordy Bos's knee scan.
Owing to his late arrival in Australia, Arnold started Bos on the bench in Thursday's 2-0 win over Lebanon in Sydney with Rowles, who is a centre back, forced to play on the left side of a back four.
