Cubs Quick Hits: Jose Quintana’s Fastball Spin Rate Among Lowest in MLB

Jose Quintana’s fastball whiff rate is usually well above league average despite mediocre velocity. Asked to theorize on his effectiveness, you might guess batters miss his four-seamer because it has a high spin rate. Nope. Quintana’s four-seamer spin rate is actually among the lowest in MLB, better than just six percent of pitchers last season.

So how is he able to get those results? New theories welcome.

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