Usman Khawaja turns 38 during the Gabba Test. History shows he’ll struggle to improve

This week, Khawaja signalled his desire to play through to next summer’s Ashes series against England. History, however, shows few cricketers get better after 35 – let alone when they start nudging 40.

Allan Border and Steve Waugh are the only Australian Test batsmen in the past 40 years to…