Five Thirty Eight also had a great analysis on baseball modification last year, except the changes are by manufacturers and the MLB. https://fivethirtyeight.co

Five Thirty Eight also had a great analysis on baseball modification last year, except the changes are by manufacturers and the MLB. https://fivethirtyeight.com/features/juiced-baseballs/ https://fivethirtyeight.com/features/juiced-baseballs/