The decision comes after the team postponed their flight home from Philadelphia on Sunday amid fears of a growing COVID-19 outbreak inside the organization, according to The Associated Press.

The number of Miami players and coaches who have tested positive for the virus is now at 11, Passan reports.

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From the AP:

Four Marlins players tested positive for COVID-19 while in Philadelphia, according to MLB Network’s Jon Heyman. 

ESPN speculates that the players might have been infected while they were in Atlanta:

The Marlins occupied the Phillies visitors’ clubhouse over the weekend — and the New York Yankees are scheduled to occupy it next, as they open a two-game series against Philadelphia on Monday.

UPDATE: Philadelphia’s game against New York on Monday has been postponed, per The Athletic​’s Ken Rosenthal.

As of Sunday afternoon, there were more than 4.2 million confirmed cases of the coronavirus in the United States, according to The New York Times.