"England, with so many players coming through, are a team to invest in," former England captain Nasser Hussain said in his column in The Daily Mail. "They are on an upward curve.
"Australia, meanwhile, have got some older players who might be going in the other direction. Let us see."
One of cricket's oldest adages is "catches win matches." In Cook's case, one particular catch could have ended his time as captain.
In England's first innings in the crucial third test, Cook was dropped in the slips by Ravindra Jadeja when on 15. Cook went on to make 95 -- one of the most important knocks of his career -- and England and its captain never looked back. For most pundits, it was a turning point in the series.