Anthony Joshua and Lawrence Okolie could both be in world title action on December 12 if plans currently in the pipeline come to fruition.
Joshua and Okolie are set to face Kubrat Pulev and Krzysztof Glowacki respectively, two weeks before Christmas.
Promoter Eddie Hearn has penciled in the date in question for a show at The O2 in London.
If secured, the event could be one of the first in the United Kingdom to accommodate a larger portion of fans.
Matchroom Boxing is seeking advice from officials over what kind of capacity from the 20,000 available they could fill by that time.
At present, pilot schemes involving crowds at sports are on hold.
On Monday, the government issued guidelines that they intend to keep in place for the foreseeable future to keep the coronavirus from spreading out of control.
If successful in the coming weeks, all sports will have the chance for some crowd presence from the end of October onwards.
The main event sees Joshua put his four world heavyweight title belts up for grabs in an IBF mandatory defence.
Pulev steps up after initially becoming number one in 2017.
As for Okolie, the undefeated cruiserweight gets the chance at the WBO version after amassing a 14-0 record.
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