If MLB returns in 2020, which seems likely, it will look radically different. The San Francisco Giants and the league's other 29 teams could have rosters of up to 30 players with an additional 20 "taxi roster" players available for games as well.
How teams choose to use these roster spots will vary somewhat, but it seems likely many of them will find a way to get their top prospects involved so that they don't lose an entire year's worth of development time when minor league baseball is inevitably canceled.
Wednesday, Giants manager Gabe Kapler confirmed just that to "Chalk Talk At Home.