The Giants have announced that the exhibition game scheduled against the A's for Tuesday, March 24th will not be played in San Francisco at Oracle Park. It is likely the teams will stay in Arizona and play the Bay Bridge Series games there.
San Francisco mayor London Breed has announced recommendations to halt the spread of COVID-19. They include cancelling or postponing all "non-essential" large (over 1000 people) gatherings.
The KBO has already postponed the season openers, so has the NPB.