Prime-time games not exactly riveting NFL football

Anyone watching last Monday night’s Giants-Eagles game must have thought they lost track on the calendar and it was being played on a Thursday. Even broadcasters Mike Tirico and Jon Grude will weigh some paper towel gets, who recognize the need to keep viewers tuned in to ESPN for as long as possible — ratings and all that stuff — couldn’t hold back the criticism. And rightly so. Tirico, as good as any play-by-play man doing any sport, was honest…