Borussia Dortmund CEO Hans-Joachim Watzke accepts there can be no guarantee players will not be at risk of coronavirus infection when the Bundesliga returns.
On Wednesday, German chancellor Angel Merkel gave the green light to the competition resuming this month, which would make it the first of Europe's top-five leagues to return during the pandemic.
The Bundesliga was halted in March with nine rounds of matches left to play.
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All large gatherings in Germany have been banned until August 31, meaning there is no possibility of opening up stadiums to supporters and games will be played behind closed doors.