I think Baltimore, where I live, will have this problem eventually. It was sure hot this summer. Rain could be a problem too. You also have to wonder how it affects the players and the game. Doesn’t the ball travel further in hot weather?
I am guessing that the next Baltimore stadium will have a dome (and be in the suburbs).
I think you will see more domed stadiums in the future to counteract the heat and rain.
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Sad! 