When Sin Cara signed with the WWE in 2011, just about everyone expected the popular luchador to cross paths with the company's resident high-flyer, Rey Mysterio.
Roughly a year-and-a-half later, it's finally happening.
Though they may not be an official tag team just yet, Mysterio and Sin Cara have been teaming up quite a bit recently and look poised to become a full-time tag team in the immediate future.
While the two aerial artists might be getting along right now, however, it seems like a damn near guarantee that they will wind up facing each other one on one in a highly anticipated battle between the two most popular Hispanic wrestlers on the planet.
Here are seven reasons why Rey Mysterio vs. Sin Cara is inevitable.