4.1. Quyết Định Việc Mời Các Đội Tham Gia March MadnessBirch Bats: Birch is a newer material in the world of baseball bats, offering a balance between the flexibility of ash and the durability of maple. Birch bats are lighter than maple bats but still provide a solid, powerful hit. They are also less likely to break than maple, making them a good option for players looking for a durable yet powerful bat.Aluminum bats, while not allowed in professio