If Jericho's interview after the Rumble is anything to go by, it wasn't just a cameo appearance. Also, WWE is now selling a new Chris Jericho t-shirt. Sources report that he has made a deal with WWE through WrestleMania XXIX, and that seems very likely to me, but I wouldn't believe anything just yet. Let's see where it goes. It seems that Jericho/Ziggler could be the plan.