According to ProWrestlingSheet.com Sami Callihan has come to terms and signed a deal with Lucha Underground. He is scheduled to appear on season 3. It is being reported that he is expected to make an appearance this weekend at the Temple.
Sami is best know from his time in NXT where he was known as Solomon Crowe. He was released last year by the WWE after he requested his release.

Huge fan of pro-wrestling for over 25 years. Lived through the Monday night wars (WWE/WCW) and the ECW revolution. Currently a big fan of Lucha Underground, NXT, MLW, PWG, and even Impact Wrestling…