"There is a distinct split in the game with his most vociferous supporters coming from the smaller counties who value what they see as his entrepreneurial skills," he said.
"This enthusiasm is not universal, certainly among some of the bigger counties, and if the English game continues to suffer from the Stanford fall out, his stewardship may face further examination."
Speaking on BBC Radio 4 on Monday, former ECB vice-chairman Mike Soper said he had no confidence in ECB management and would consider challenging Clarke at some point in the future."
"The thing I'm very sad about is the fact that cricket has been mauled all the way through this and the individuals seem to put more on finance than the actual game itself," he said.
"We've lost Vodafone, we've now lost Stanford, and it's the implications for cricket that worry me more than anything else.
"When Giles was elected, it was because he was 70% an entrepreneur and 30% a cricket lover. I was always the reverse.
"I think if he's that great an entrepreneur, he ought to get these sponsors, replace them and then resign. It's too easy to walk away but I would consider challenging only if the game wanted a cricket lover first and an entrepreneur second."
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