The Home Run Spike in Major League Baseball

In the second half of the 2015 season, scoring in Major League Baseball spiked largely because the home run rate spiked. In his annual session with baseball writers at the All-Star Game in 2016, Commissioner Rob Manfred was asked whether it could be PEDs and he quite reasonably downplayed that possibility. The Ron Howard Arrested Development Narrator says no, MLB did do testing, but it evidently didn't do the right testing.