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Friday, 21 June 2019

Glenn Sparkman says improved confidence is 'really working for me'

Glenn Sparkman on the key to throwing an effective changeup: "Throw it like a fastball. It being anywhere from 5-10 miles an hour slower than my fastball, it'll just dive off and have the effect it needs."

from FOX Sports Digital https://foxs.pt/2WWuwfQ

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