When is the right time to blood a player?
Harry Brook is an example of the selectors getting the answer to that question right

Harry Brook has made his debut at a time when he is scoring runs, in a home Test, when England are enjoying a winning run • Getty Images
It is commonly thought that if you keep a talented player waiting too long it will do him more harm playing against lesser players during that time than if he is challenged by the best opponents
Former Australia captain Ian Chappell is a columnist