Prior to the Ashes, he had taken 45 wickets in 10 tests at 19.6 under McCullum’s leadership.
You have to look at who England was playing first, then he picked up an injury and not played any cricket for months
at jimmy's age injury takes longer to heal and even hard to get match fit, Jimmy was not fully fit and had strapping on his ankle, it sort of smells of sentimental reasons why was picked and the played