Twitter lost its mind when No. 16 UMBC beat No. 1 Virginia 74–54 on Friday night.
The two teams were tied at the half and the Retrievers broke away during the second half.
No No. 16 seed has ever beat a No. 1 seed in the men's tournament.
Here are some of the best reactions to the historic win.
UMBC faces No. 9 Kansas State on Sunday in the second round.