Michael Gretler, 3b, Bonney Lake High School Class of 2014, Swing Mechanics at 200 fps

	Michael Gretler, 3b, Bonney Lake High School Class of 2014, Swing Mechanics at 200 fps http://ift.tt/1fAtexQ http://ift.tt/19ygyqJ.	From: Big League Futures Views: 0 0 ratings
	Time: 00:16	More in Sports

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