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

Name: Glenn Sparkman says improved confidence is 'really working for me'
Uploaded: 2023-04-23T18:44:06Z
Duration: 1 min 35 s
Description: 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."

FOX Sports · Apr 23, 2023 · 1m 35s

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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."

Watch Glenn Sparkman says improved confidence is 'really working for me' - FOX Sports | FOX One