We hold them up as an example of unconquerable nature even as we applaud the daredevils and power-brokers who conquer them.

NPR: Excerpt: 'Inventing Niagara'

The withdrawals could see England one-day batsman Owais Shah play a prominent role for the Daredevils, who are still awaiting approval for former Australia star Glenn McGrath as Vettori's replacement.

BBC: English teams eye Twenty20 glory

Collingwood, who has signed a contract with the Delhi Daredevils, is among seven England-based cricketers set to feature in the second year of the big-money competition from 10 April.

BBC: Pietersen plans IPL safety talks