He's top ten in OPs among infielders for the last three.

近三场来他在内场选手中名列前十。

The size of the bases is increasing from 15 square inches to 18, and defenses can no longer shift their infielders.

球垒的面积从15平方英寸增加到18平方英寸，防守方不能再换掉内野手。