Note: 1,000 career games played are needed to make this list of the one-thousand greatest on base plus slugging leaders, raw averages are presented in parenthesis to further distinguish the top one-hundred, and a bold faced entry denotes that the player was active during the previous Major League season.
Primary active transport, directly uses metabolic energy (ATP) to transport molecules across a membrane.
The United States Department of Homeland Security defines the active shooter as an individual actively engaged in killing or attempting to kill people in a confined and populated area; in most cases, active shooters use firearms(s) [sic] and there is no pattern or method to their selection of victims.