epwar -
Damn, 13 seconds from the bell is insane. I do remember Forrest tapped Shogun just 15 seconds from the bell.
searches Google
Okay, looks like Cole Miller submitted Jorge Gurgel with just 12 seconds left at UFC 86:
http://bleacherreport.com/articles/845768-the-25-latest-finishes-in-ufc-history/page/11
That is the current champ.
voted up, good find
only 1 second in it!