Mitchell Starc 's effectiveness would be greater if he could be used as a shock weapon .
He has been required to bowl long spells on barren strips , and if anyone has suffered for the absence of a fifth bowler , it is he .
Mitchell Starc 's effectiveness would be greater if he could be used as a shock weapon , but he has been required to bowl long spells on barren strips , and if anyone has suffered for the absence of a fifth bowler , it is he .