Study reveals why the baseballs behaved differently in 2019 MLB postseason2019 was the year of the home run ... until October4/6/2020, 6:30 PMFeb 17, 2019; West Palm Beach, FL, USA; MLB commissioner Rob Manfred addresses representatives from the grapefruit league during the annual spring training media day at Hilton in West Palm Beach. Mandatory Credit: Steve Mitchell-USA TODAY Sports / Steve Mitchell