If you need to use the. guidelines to cite sources, there are two formats you can use. The author-date format is often used in the physical, natural, and social sciences, while the note-bibliography format is more common in the humanities (literature, history, and the arts).
The BBCOR one-piece bats are made of composite or metal and they are one solid piece from the barrel to the handle. The two-piece bats have separate barrels and handles. The two-piece bats usually have different materials, with a composite handle and a metal or composite barrel.
BBCOR Baseball Bats feature a 2 5/8 inch barrel diameter and a -3 length to weight ratio. Many players view a BBCOR (Adult Bat) bat as a college or high school bat. There have been many changes to the rules and regulations regarding BBCOR standards for adult baseball bats, so make sure you check out the Adult Baseball Bats Buying Guides for more information on the BBCOR Certification.