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.
Acute vs Convalescent titer. active=serum taken while illness is syptomatic, convalescent=serum taken after symptoms subside, significant of the 4 fold increase in titer, significance of Igm vs IgG (only make IgM early on in primary infection; if making IgG cant tell if its primary infection or from a memory reponse).