The WSOF 21 live stream online can be found in the video above for the undercard starting at 7:30 p.m. ET. The fight card for this portion of the event is as follows:
Thiago Goncalves vs. Matt Baker
Mike Scarcello vs. Dan Lariviere
Michael Hay vs. Louie Grover
These bouts are expected to run until 9 p.m. ET. The main card will be televised on NBC Sports at 9 p.m. ET.
International fans of MMA Fighting should be able to watch the stream for the main card here after it starts on NBC Sports.