But he wo n't improve until he makes a sacrifice and plays more first - class cricket .
You do n't have to put your body on the line all the time but Kieron does that , so he has the appetite and desire to improve .
He wo n't improve until he makes a sacrifice and plays more first - class cricket .
You do n't have to put your body on the line all the time but Kieron does that , so he has the appetite and desire to improve .