An interesting middleweight fight has been added to Strikeforce: Marquardt vs. Saffiedine as UFC fighter Ed Herman faces Ronaldo Souza. Herman enters the fight riding a three fight winning streak, most notably defeating Kyle Noke at UFC On Versus V. Souza will enter the fight riding a two fight winning streak and is a former Strikeforce Middleweight Champion. Strikeforce: Marquardt vs. Saffiedine takes place on January 12th from the Chesapeake Energy Arena in Oklahoma City, Oklahoma with Nate Marquardt and Tarec Saffiedine headlining.