According to mmafighting.com:
Two sources close to the situation have told MMA Fighting that Shields will eventually make his first foray into the octagon against welterweight contender Martin Kampmann.
Jake Shields (25-4-1)
Win Dan Henderson – Decision (Unanimous) Strikeforce
Win Jason Miller – Decision (Unanimous) Strikeforce
Win Robbie Lawler – Submission (Guillotine Choke) Strikeforce
Win Paul Daley – Submission (Armbar) EliteXC
Win Nick Thompson – Submission (Guillotine Choke) EliteXC
Martin “Hitman” Kampmann (17-3)
Win Paulo Thiago – Decision (Unanimous) UFC 115
Win Jacob Volkmann – Submission (Guillotine Choke) UFC 108
Loss Paul Daley – TKO (Punches) UFC 103
Win Carlos Condit – Decision (Split) UFC FN 18
Win Alexandre Barros – TKO (Punches) UFC 93