Change we can see is better than change behind the scenes: https://en.wikipedia.org/wiki/Juiced_ball_theory https://en.wikipedia.org/wiki/Juiced_ball_theory, ht

Change we can see is better than change behind the scenes: https://en.wikipedia.org/wiki/Juiced_ball_theory https://en.wikipedia.org/wiki/Juiced_ball_theory, https://fivethirtyeight.com/features/juiced-baseballs https://fivethirtyeight.com/features/juiced-baseballs