Ken Wayne Shamrock would be the perfect choice after all he is a natural jobber in MMA and has been one for years a loss to Angle doesn't really hurt his image since he has the Mike Tyson appeal now where people know he is years past his prime but still want to pay to see him fight. Shamrock vs Angle can only help take TNA into that glorious 1.0+ tv rating range but then again I thought the same about Angle vs Joe.
The only people that care about Puder would be hardcore MMA fans that are regulars at Sherdog.com. Having Tito, Chuck, or Randy work a wrestling match would destroy their MMA credibility and I'm sure UFC and Spike tv would not want to do that.