Jack Barry (@johnb_sp) 's Twitter Profile
Jack Barry

@johnb_sp

JB Performance / I Build Elite Pitchers / FREE MECHANICAL ANALYSIS ⬇️

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linkhttps://hoo.be/johnb_sp calendar_today12-09-2017 02:33:17

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Jack Barry (@johnb_sp) 's Twitter Profile Photo
Jack Barry
@johnb_sp

a year ago

“My arm always hurts” “I can’t throw strikes” “I’m not getting opportunities” This is called “CATASTROPHIZATION” And it’s killing your ability to be an elite player. (THREAD)

“My arm always hurts” “I can’t throw strikes” “I’m not getting opportunities” This is called “CATASTROPHIZATION” And it’s killing your ability to be an elite player. (THREAD)