Major League Baseball will require non-playing personnel—that includes managers, coaches, athletic trainers, etc.—to be vaccinated for COVID-19 in order to gain access to field areas and other restricted areas during the postseason, according to The Athletic's Ken Rosenthal.
Staff members who are currently unvaccinated but want to retain access to restricted areas during the playoffs can do so if they receive one dose of the Moderna vaccine before Oct. 4 while also scheduling their second dose of the vaccine.