SYDNEY  - Australian captain Michael Clarke has dismissed the idea of being driven into retirement by a degenerative back problem and believes he could play three more Ashes series over the next five years.Clarke will start his sixth Ashes series on November 21, but with the back problem certain to return at some point and his captaincy the subject of a media debate, there has been speculation he might soon call time on his Test career.

"I won't be retiring, not for a long time," the 32-year-old told Sydney's Daily Telegraph.–REUTERS