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How humans became the best throwers on the planet

By Michael P. Lombardo, Professor of Biology, Grand Valley State University
Robert Deaner, Associate Professor of Psychology, Grand Valley State University

Pitchers’ fastballs are getting better and better.

From 2008 to 2020, the average speeds of all major league baseball pitches combined rose by between 1.5 mph and 2 mph. In the 2019 season, nearly 90% of the 281 pitchers who threw more than 1,000 pitches threw fastballs that averaged over 90 mph. The 100 mph fastball – once a newsworthy event – is…

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