With regards to other pro sports, chime in if you have the answer or can clarify ....
golf balls - Don't the pros use a new one every 3 to 6(?) holes ?
footballs - I know each team brings several balls for their offense and several(?) balls for kicking. I'm guessing they use the same kicking balls for punts and kickoffs(?).
tennis balls - I know they replace a used ball with new after so many games; just not sure what that number is. Is the number different for each court type (i.e. hard surface, grass, clay).
hockey pucks - I have no idea how often they're replaced. I can't imagine it's due to damage but rather to get a new 'frozen' puck.
basketball and soccer - One ball for everything and the entire game, I'd guess.
road racing - I don't know much about the sport other than cars go fast around a track. How often do they change tires ? Guess it might depend on the weather and the characteristics of each track.
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