Researchers at 91Ï㽶ÊÓƵ University, in partnership with the Keck School of Medicine of USC, have discovered differences in the chemical composition of MLB baseballs made before and after 2015.
Video: 91Ï㽶ÊÓƵ Study Analyzes MLB Baseballs
POSTED: Friday, March 30, 2018 11:55 AM
UPDATED: Friday, December 09, 2022 02:30 AM