Assertion: mph fastball | /r/CapableOf | average 2,658 rpm
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Source sentences:
text: Spin+ is useful because we can compare the spin rates of pitchers like Andrew Triggs—who had an average spin rate in 2018 of 2,414 rpm with just an 89 mph fastball and a completely vertical spin axis (in x-z direction) of 269 degrees—with Carl Edwards Jr.—who throws a 94.5 mph fastball that averages 2,658 rpm and an almost completely horizontal axis of 173 degrees.