Lamar Odom has some hefty competition standing in his way from "Dancing With The Stars" greatness ... but there's one fellow world champ who specifically has him SHOOK.
The ex-NBA star is competing on the newest season of 'DWTS' with celebs like Hannah B. from the 'Bachelorette', Kel Mitchell and James Van Der Beek ... but revealed to Adam Glyn who he thinks is his biggest threat.
"I think it'll probably be Ray Lewis," Lamar says.
Odom has reason to fear Ray .