I cannot speak to cricket, but in baseball there is a system of who has precedence in a fly ball situation:Outfielders have precedence over infielders Infielders have precedence over the catcher and pitcher Catchers have precedence over the pitcher
When it comes to who has precedence within the outfield, or infield it is as follows:The center fielder has precedence over the corner outfielders The middle infielders (SS and 2B) have precedence over the corner infielders (1B and 3B) The short stop has precedence over the second baseman
Basically if there was a scenario where everyone could catch a fly ball, the list of precedence would be as follows:Center fielder Left or Right fielder Short stop Second baseman First or third baseman Catcher Pitcher
When it comes to actually communicating, players will use different systems. This can be a style that a coach decides on (especially at lower levels than professional) such as calling "ball" or "I got...