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.
The Importance of BBCOR Bats. 1  There is a lot of talk in the sports world about different types of baseball bats, and you may not know what all the terms being thrown around actually mean. 2  BBCOR stands for batted ball coefficient of restitution -- a term that really doesnât make anything less confusing.