Lyoto Machida vs Mauricio Rua confirmed for UFC 104 on October 24 at UFC blog for UFC news, results, videos, rumors, fights, pics and tickets — MMAmania.com
Though Shogun is the heavy underdog, he definitely has a chance if his 2005 self shows up.
Also, CroCop(one of my favorite fighter of all time) is making a comeback in the next event, UFC 99.
Last but not least, WAR SEXYAMA UFC 100