The Perth Scorchers were dealt serious injury prior to their battle against Brisbane Heat in Canberra

Starimport Jason Roy will not be competing against the heat in today’s Challenger Final due to a problem with his right ankle

Former test opener Cam Bancroft will take its place in the XI and could top the order with Liam Livingstone

Classy left-hander Kurtis Patterson is included as one of two X-Factor players in the only other line-up change, alongside sailor Joel Paris

“Jason Roy injured his ankle while training this week and is not available for today’s Challenger Finals,” said Scorchers captain Ashton Turner

The opener, winning the English World Cup, has been a revelation since joining Perth this season He has completed 355 runs with an average of 32 runs3 and a hit rate of 1305

He has an inaugural partnership with English teammate Livingstone, with the couple working together for three centuries

Heat skipper Chris Lynn won the throw and sent the Scorchers with unchanged team after the win on Sunday against Sydney Thunder

Brisbane has won the last four games at a trot, while Perth tries to avoid a hat-trick with losses

Scorchers: Cameron Bancroft, Liam Livingstone, Colin Munro, Josh Inglis (week), Mitch Marsh, Ashton Turner (c), Aaron Hardie, Jhye Richardson, Andrew Tye, Jason Behrendorff, Fawad Ahmed

Heat: Sam Heazlett, Chris Lynn (c), Marnus Labuschagne, Joe Denly, Joe Burns, Jimmy Peirson (wk), Lewis Gregory, Mark Steketee, Xavier Bartlett, Mitch Swepson, Ben Laughlin

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World news – AU – Scorchers import canceled for do-or-die finals