It may also be time to revisit the concept of a substitute in the game. One without reason, conditions, restrictions or justifications. A player who can take the place of another, and perform ANY role that the substituted player could have played. For example, if the player was yet to bat, the sub could bat, or if the player had 5 overs left to bowl, the sub could bowl five overs.
This not only allows accounts for situations of medical emergency but acts as a genuine tactical tool in the hands of the coach/captain. On the same lines as football, the sub can be any player from the squad, introduced at any time. A more conservative team may choose to keep the substitution up their sleeve till later in the game, given the possibility of an injury, while more adventurous ones may make use of the same right up front (if you’re 10-2, you replace Pandya with Pujara). Once used however, there are no more subs available to you and if a player is subsequently deemed unfit to continue by the…