Verbal agreements are in place for the bout according to a report from the UFC on Wednesday.
Sonnen has not fought since losing via triangle choke/armbar submission in his epic 23-minute bout with middleweight champ Anderson Silva (30-4) at UFC 117 last August.
Stann last fought in May of this year when he won “Fight of the Night” honors by scoring a second round TKO win over Jorge Santiago (23-9) at UFC 130.
Other bouts scheduled for UFC 136 include a lightweight title fight rematch between champion Frankie Edgar (13-1-1) and Gray Maynard, and a featherweight title fight between Jose Aldo (19-1) and Kenny Florian (15-5). See ProMMAnow.com’s Upcoming Events page as more bouts are announced for this card in the future.