Late Sunday night, the Baltimore Ravens learned that multiple members of the organization tested positive for COVID-19, team officials said in a statement.
It's unclear precisely how many individuals tested positive or what their roles are in the organization. Players are tested before each game but results are typically not available until hours after.
"We have started the process of contact tracing, and during this time, the Under Armour Performance Center will be closed, with all team activities conducted virtually," team officials said in a statement. "We will continue to work closely with and follow guidance from the NFL, team doctors and our medical trainers.