But if the Essex batsman needs any encouragement about the benefits of shedding the responsibilities of skippering a side, he need look no further than Wales flanker Sam Warburton.
After captaining Wales since 2011 and leading them a record 49 times, Warburton lost the armband to Alun Wyn Jones for the start of this year’s Six Nations.
But just look at the way the 2013 British Lions captain responded.
Sam Warburton gave up the Wales captaincy and has been in fine form since
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Warburton was superb in his first game back as a member of Wales’ rank and file on Sunday, producing a typically physical performance to help his team to a 33-7 victory over Italy in Rome.
Seemingly benefitting from the loss of the captaincy’s responsibilities, Warburton was everywhere in the tight exchanges, slowing down Italian ball and winning a number of vital turnovers and penalties.
England are next up for Wales and Warburton in Cardiff this Saturday, and you wouldn’t bet against him playing another starring role.
Alastair Cook can use Sam Warburton as his England inspiration
Cook is a big England rugby fan so as a Red Rose supporter, he will be hoping the back-rower has a quiet game in the Welsh capital.
But patriotic loyalties aside, Cook may now look at Warburton and take inspiration from the way he has effortlessly moved on.