The league said in a release Tuesday that it conducted approximately 12,000 tests administered to more than 1,200 players over the period from Dec. 30 to Monday.
The league said the positive tests are from nine teams, including 17 positive results from the Dallas Stars, who have had their opening game postponed.
The NHL said most of the Stars players who tested positive are asymptomatic, and all are recovering without complication.
The 2020-21 regular season starts Wednesday with five games.
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According to the NHL, it will provide “regular updates on the results of tests administered to Players, including the identities of the Players,” when the 2020-2021 season begins.
-With a file from Hannah Jackson
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