![Key man: Perth Glory's Diego Castro.](/web/20160413111820im_/http://www.watoday.com.au/content/dam/images/g/o/4/o/j/m/image.related.wideLandscape.460x259.go4kef.png/1460448390581.jpg)
Glory waiting on Casto but no guarantee he'll face City
Coming off a 4-0 hammering at the hands of Sydney FC that cost them a home final, all eyes at Perth Glory training this week will be on the hamstring of their most important player, Diego Castro.