‘The Chiefs opened last year losing to Buffalo 41-7 at home, fired their head coach late in the year, endured front-office bickering and injuries, and still finished with a better record than the Bills. With both teams laying giant eggs last week, this an early “must win” for both teams, but especially Buffalo which can ill afford to lose at home after so much preseason hype. The Chiefs, now under the guidance of coach Romeo Crennel, get back the services of two key defenders this week (and four defensive starters overall) in LB Tamba Hali and CB Brandon Flowers, meaning it might behoove the Bills to concentrate on running the ball and giving erratic QB Ryan Fitzpatrick (three picks vs. Jets) a comfort zone. Meanwhile, now would be a good time for Buffalo’s expensively remodeled defense to show up after not showing up at all vs. the Jets. Chiefs QB Matt Cassel was roughed up for three sacks and two interceptions by Atlanta and defensive coordinator Dave Wannstedt needs to be more aggressive if he wants a similar feeding frenzy.’