RESEARCH: Homers are here to stay

It should come as no surprise that home runs have increased since 2014. That year, there were 4,186 home runs hit, while in 2018, there were 5,585 (a 33% increase). The trend began in 2015 and continued through 2018. Most of us have now accepted that this is a “new normal,” but is it? Before we can declare it so, we need to understand the why behind the increase.

Using basic BaseballHQ.com metrics sheds some light. It’s not more fly balls: the league FB% was 34.8% in 2014 and 35.6% in 2018. That’s an increase, sure, but one that would have only increased home runs by about 2%. However, the league hr/f was 9.5% in 2014 vs. 12.7% in 2018 (and was right around 13% in 2016 and 2017 as well). Something else is going on here.

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