Runs and wickets are limited as a way of seeing how well your team is doing in the field. There is no easy way of seeing where the psychological momentum lies.
At least, there wasn’t until some bright spark in the England setup developed ‘Match Play’
Match Play is used to judge how well a team is performing as a unit in the field without comparison to the opposition or the conditions.
It concerns the mental boosts or falls found during the game and how this affects the confidence of both sides.