More COVID-19 delays as Cardinals' series in Detroit, Field of Dreams game postponed - The Boston Globe
Sources - MLB commissioner warns of shutdown if coronavirus isn't better managed - ESPN
MLB postponements timeline: How positive coronavirus tests have impacted the schedule - ESPN
Coronavirus News: St. Louis Cardinals Milwaukee Brewers MLB Game Canceled - Bloomberg
MLB postpones Brewers-Cardinals game after two Cardinals players test positive for Covid-19
St. Louis-Milwaukee latest MLB game postponed because of positive tests
Changes Coming to Baseball's Health Protocols After Coronavirus Outbreaks - WSJ
Brewers' Cain opts out of 2020 season; series with Cardinals called off
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St. Louis Cardinals: Breaking down the schedule, roster and projections for the 2021 season
Miami Marlins Outbreak Wreaks Havoc on M.L.B. Schedule - The New York Times
6 teams idle: Manfred, union talk as MLB grapples with virus
MLB gets serious with protocol measures after COVID-19 outbreaks on Marlins, Cardinals
Two positive COVID-19 tests in Mets organization, two games postponed - The Boston Globe
Cardinals positive covid-19 cases
MLB postponements timeline: How positive coronavirus tests have impacted the schedule - ESPN