Clarke is not only fighting at Trent Bridge this week to stop Australia losing the Ashes .
Clarke is not only is also battling to save a captaincy career that surely could not survive a fourth successive defeat in England in the biggest series of them all .
Clarke is not only fighting at Trent Bridge this week to stop Australia losing the Ashes but is also battling to save a captaincy career that surely could not survive a fourth successive defeat in England in the biggest series of them all .