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Here’s a Thought: MLB’s 10 Most Effective Changeups

Based on the success of my "MLB's 10 Most Effective Curveballs" and "MLB's 10 Most Effective Sliders" articles, I decided to look at the 10 most effective changeups this season. I'm measuring changeup effectiveness by Pitch Type Linear Weights, which says how many runs a pitcher prevents above average every time he throws 100 pitches. So, if I say a changeup's effectiveness is one run above average, that means that every 100 changeups that pitcher throws, he allows one run less than average. I set two ground rules. First of all, pitchers have to have thrown at least 30 innings this year. Second, they have to use the changeup at least 10 percent of the time. For each pitcher, I'll list the average changeup velocity, average changeup movement relative to an average major league fastball ...

Read Complete Article at Bleacher Report - San Francisco Giants
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