On the pages in this section you will find information regarding player use characteristics for professional "game used" baseball bats. The information outlines my observations regarding consistent patterns in the way certain players prepare their bats and resulting patterns of use. This information is intended to assist collectors in determining whether or not a professional game used bat was used by a particular player. This information is not comprehensive or conclusive. Player use characteristics is just one factor to consider when determine the authenticity of a bat. Other factors include bat specification, reference to shipping records when available, appropriate labeling and stamping, and source. There are without questions variations of use characteristics for the players listed that deviate from I have listed