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Players remove the glove from play
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Regulations were set up for ballpark lengths
325-400-325 ft -
Anti- spitball rule
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Strike zone is shrunken to the armpits to the kneecaps
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The pitchers mound is dropped 5 inches
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Save rule was put into effect
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All major League players are required to wear helmets
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the rule on glove size was minutely outlined for standardization
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The american League began to use DH
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DHs were put to use
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the save rule was rewritten
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Min standards for championships were rewritten
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the ball was permitted to be covered with cowhide because of the shortage of horses
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The save rule changes again
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Instant replay is permitted