Last Friday, September 9, baseball saw its 4,910th home run of the season hit, passing the total number hit in all of 2015. If you’re reading this, then you’ve probably known about the spike in home run rates since mid-2015 for a while now. I started to pay close attention to the trend when I read the first of Rob Arthur’s and Ben Lindbergh’s articles on FiveThirtyEight (one, two, and three) that posited that a juiced baseball could be responsible for the change. That was more than five months ago, and the trend has not slowed down since then.
In fantasy, the increase in power is particularly important because it undermines the value of hitters whose elite home run totals no longer stand out to the same extent. With still almost three weeks left in the season, 91 hitters have already reached 20 or more home runs. That’s the most players at that benchmark in a season since 2008. If this power surge continues, then the Khris Davises and Chris Carters of the world will lose a lot of value. Why reach for them when Brad Miller has 28 home runs and Marcus Semien has 24 home runs? Suddenly, speed is the scarce resource.
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