4:57 PM PT -- The University of Oregon isn't taking any chances, despite no known cases of Coronavirus in Lane County ... banning all fans from attending athletic events until further notice.
3:38 PM PT -- TMZ Sports spoke with DeAndre Jordan -- a Nets star who's set to play in the fan-less game against the Warriors on Thursday -- and he told us, "I think it'll be weird."
11:42 AM PT -- The Governor of Washington has also announced a ban on large events in 3 counties ... which means Sunday's XFL game in Seattle between the Dragons and L.A. Wildcats will be played without fans.
The Seattle Mariners will not play at home for the month of March.
The Golden State Warriors will be the first NBA team to play in front of an empty home arena this season ... with San Francisco banning events larger than 1,000 people due to coronavirus.
The Health Officer of SF announced the decision on Wednesday ... saying the ban will last 2 weeks (starting Thursday) and will include Warriors home games at the Chase Center.