Research on aggression found that Major League Baseball pitchers were more likely to hit batters:

Name: Research on aggression found that Major League Baseball pitchers were more likely to hit batters:
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Research has shown that pitchers are more likely to hit batters on hot days, with a particular threshold of 90 degrees being significant in increasing the likelihood of aggression. This is believed to be related to the discomfort and irritability that comes with playing in high heat.

Research on Aggression Found That Major League Baseball Pitchers Were