Wiki User
∙ 14y agoOP generally stands for Opponent. BA, in Baseball, stands for Batting Average.
Thus, OpBA stands for Opponents Batting Average. The lower it is, the better (for the pitcher).
Wiki User
∙ 14y agoOP generally stands for Opponent. BA, in Baseball, stands for Batting Average. Thus, OpBA stands for Opponents Batting Average. The lower it is, the better (for the pitcher).