UFC 2009 Undisputed's online component, you'll be pleased to hear that the developers are working on a patch. In fact, this blog post on the official site is proof of that.
There are several issues the developers are looking to resolve, and one of the more nasty ones involves a lack of repercussion for those who disconnect prematurely. These folks will receive a prize in the new patch, to the tune of some DNF and a loss on their record. Other fixes will target lag, Flash KOs, and the CAF cheat. For the full list, hit up the blog post.