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Spin rate is one of the newest ways to evaluate pitchers, and the Pittsburgh Pirates in 2020 had some of the most high-spin pitchers in the league.
In 2015, Major League Baseball introduced a new wave of technology called Statcast. Statcast essentially answers the questions fans have asked for years. How hard does he throw? How fast does he run? How far was that hit? With all the data we have today, the site Baseball Savant has kept a database of all of Statcast’s measures while giving us expected stats based on things like batted ball rates, defense and more.