What is another word for fastballs?
Pronunciation: [fˈastbɔːlz] (IPA) 
Fastballs are a key aspect of baseball, with pitchers striving to throw the ball as quickly and accurately as possible. However, there are numerous synonyms for fastballs that players and commentators may use, including heaters, heaters up, heat, cheese, gas, smoke, and fire. These terms are often used interchangeably with fastballs, but may also carry their own connotations and nuances. For example, "gas" and "smoke" may imply an even greater velocity than a standard fastball, while "heat" may suggest a level of aggression or intensity in the pitcher's delivery. Understanding these synonyms is important for baseball fans and players alike to fully appreciate the game.
