On-base plus slugging (OPS) is a sabermetric baseball statistic calculated as the sum of a player's on-base percentage and slugging average. The ability of a player both to get on base and to hit for power, two important offensive skills, are represented.\n\nAnswer this question based on the passage: what does opie s stand for in baseball stats?
A step-by-step solution is:
On - base plus slugging
To answer the above question, the relevant sentence is: On-base plus slugging (OPS) is a sabermetric baseball statistic calculated as the sum of a player's on-base percentage and slugging average.

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The answer is On - base plus slugging