A goal from substitute James Forrest allowed Celtic to pay a fitting Hampden tribute to Bertie Auld as St Johnstone's run of cup glory came to an end. gt 640 gpu z A few teams we believed were contenders started to look more like themselves in Week 10. gt 640 gpu z But neither was the big story in this game, at least not for the right reasons. gt 640 gpu z Entered fray just after half-hour mark as Foden departed and Sterling moved to right. Tried his best jinking in from left but unable to make an impact as game petered out, with only effort deflected wide. gt 640 gpu z