By Joseph Currier, Wrestling Observer No other event on the WWE calendar delivers as consistently as the ‘Royal Rumble.’ There’s no other event on the WWE calendar that consistently delivers like theRoyal Rumble. WrestleMania may be WWE’s biggest show of the year, but the Royal Rumble is foolproof in a way that even WrestleMania isn’t. While a lackluster card can make for a bad WrestleMania, the Royal Rumble is always worth watching. You know what you’re going to get every year. The men’s and women’s Royal Rumble matches take up most of the pay-per-view and set the stage for the top of the Wre…