Been wondering how they are replacing these guys without affecting the 40 man roster; apparently, replacements for Covid list players do not have to be on the 40 man nor do they have to be removed once the Covid players come back:
"Any clubs that experience a COVID-19 outbreak among their players may add to their Major League Active List temporarily, without the need for those players to be placed on waivers, outrighted, or optioned in order to be removed from the 40-man roster when players return from the COVID-19 Related Injured List."
40-man Roster | Glossary | MLB.com
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