RESEARCH: Updating xBA

Over the last few years, we have spent a lot of time in this space discussing the new hard-hit ball data that is available on BaseballHQ.com. One of the main advantages of using hard-hit ball data is that it better measures a fundamental skill, rather than a result that may be influenced by events outside of the batter's control.

Our previous research here at BaseballHQ.com around hard-hit balls for batters has shown that players who hit the ball harder have higher hit rates and hit for more power. We've also used hard-hit ball data—hit rates on soft-hit and medium-hit GB, specifically—to help us more accurately measure a player's speed (Spd). Most recently, we found that the current expected batting average (xBA) formula may...

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