According to mmajunkie.com:
A middleweight bout between Chris Leben and former WEC champion Briann Stann has been targeted for the Jan. 1 UFC 125 card.
Sources close to the event today alerted the tentative plans, though bout agreements have not been signed.
Chris “The Crippler” Leben (25-6)
Win Yoshihiro Akiyama – Submission (Triangle Choke) UFC 116
Win Aaron Simpson – TKO (Punches) TUF 11 Finale
Win Jay Silva – Decision (Unanimous) UFC FN 20
Brian “All American” Stann (9-3)
Win Mike Massenzio – Submission (Triangle Choke) UFC Versus 2
Loss Phil Davis – Decision (Unanimous) UFC 109
Win Rodney Wallace – Decision (Unanimous) TUF 10 Finale