Marco Estrada on the lookout for pitch tipping in first A’s spring start The Mercury News
New A’s pitcher Marco Estrada made some changes in his first spring start after being told he may have been tipping his devastating changeup last season.
Marco Estrada on the lookout for pitch tipping in first A’s spring start The Mercury News
New A’s pitcher Marco Estrada made some changes in his first spring start after being told he may have been tipping his devastating changeup last season.