MMAJunkie.com has the story:
While not yet officially announced by the organization, the live finale for “The Ultimate Fighter 9” has added a lightweight showdown between former “TUF” champions Nate Diaz (10-3 MMA, 5-1 UFC) and Joe Stevenson (29-10 MMA, 6-4 UFC).
MMAMadness first reported the that the pair had verbally agreed to the contest, and MMAjunkie.com (www.mmajunkie.com) has since learned from sources close to the bout that contracts for the fight have been signed.
The Ultimate Fighter 9 Finale is scheduled for June 20 at the Pearl at the Palms Casino Resort in Las Vegas.