Content Provided By MMA Junkie VANCOUVER – World Series of Fighting will crown its inaugural lightweight champion at WSOF 8 on Jan. 18, and after a brief switch of opponents, Justin Gaethje (10-0) will take on Lewis Gonzalez (9-0) for the belt. Gaethje was originally slated to face Gesias Cavalcante at next month’s event. However, “JZ” recently withdrew…