Japan actually has a different metal bat performance standard than the USA. In American high school baseball (NFHS), we have the "BBCOR" standard, but we finally got our hands on a Mizuno high school bat from Japan to see which version is hotter!Our BBCOR/USSSA bat rankings and Baseball Bat Bros merch can be found at https://baseballbatbros.com/Here's a link to the tool we use for exit velo tracking: https://rapsodo.com/pages/baseball-player-development-tools?utm_source=Partnership&utm_medium=YouTube&utm_campaign=Baseball+Bat+BrosAnd here's a link to the baseballs we use: https://www.amazon.com/Champro-Kevlar-Stitched-Baseball-9-Inch/dp/B008C1ZQ6C
