americanLeagueStartingPitcher

Given a predicate that represents a relationship or action between entities, generate a one-sentence description explaining its meaning.  
# Instructions
Focus on describing the relationship, not the entities themselves. 
# Response Format
Begin the description with \' Indicates...\'

Predicate: americanLeagueStartingPitcher

Indicates that an entity serves as the starting pitcher for a team in the American League in a given game or context.