MLB's stricter coronavirus protocols won't cause changes to Fenway Park; players must wear masks in dugout, bullpen and inform club if leaving team hotel on road
Marlins coronavirus: MLB investigating 'massively disruptive' incident
The Marlins' Virus Outbreak Exposes Holes in MLB's Return-to-Work Strategy - WSJ
AP Source: No new positive COVID-19 tests for Marlins; Diaz opts out
15) 2 New York Mets' games postponed due to positive Covid-19 tests
Fans can attend spring games of Marlins, Cardinals, Nationals and Astros, but seats limited
USA Baseball Medical/Safety Advisory Committee COVID-19 Recommendations
Marlins postpone game vs. Orioles amid COVID-19 outbreak in clubhouse
Don Mattingly tests positive for COVID-19
Marlins manager tests positive for COVID-19
Jeter: Marlins' COVID-19 outbreak due to false sense of security, not salacious activity – Sun Sentinel
Phllies halt activity at stadium after positive tests for coronavirus - ESPN