Rany Jazayerli (born June 14, 1975) is a Chicago-area dermatologist and co-founder of and writer for Baseball Prospectus. He developed the statistical concept of Pitcher Abuse Points (PAP), which relates to high pitch counts in baseball.
Jazayerli is a graduate of Johns Hopkins University and University of Michigan Medicine. He is a board-certified dermatologist and a Fellow of the American Academy of Dermatology.