Researchers at Âé¶¹´«Ã½, 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.
Researchers at Âé¶¹´«Ã½, 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.