For Matt Chapman, the grind didn’t stop with the A’s — it evolved into something even more dangerous.yv

Cal State Fullerton graduate remains hard on himself despite accolades

The chip on his shoulder isn’t the direct reason for Matt Chapman’s incredible arm strength. The mind games Cal State Fullerton baseball coach Rick Vanderhook tried playing with him aren’t the reason Chapman seems to know what’s going to happen before it happens.

The platinum glove sitting on his mantle, emblematic of Chapman’s status as the best defensive player in the American League, isn’t the d …