Knuckleup MMA 4: Origins takes place on Saturday, February 20, 2010. Start times across the US and UK time zones are listed below.
Start time by time zone
When Knuckleup MMA 4: Origins begins where you are.
- ET12:00 AM
- CT11:00 PM
- MT10:00 PM
- PT9:00 PM
- UK5:00 AM
Fight card0 bouts
The card for this event has not been published yet. It appears here as soon as the matchups are announced.