NFL viewership is down 11 percent this year. One knock-on effect: less consumption of wings, as football games are a key driver of sales for both restaurants and take-out. The Buffalo Wild Wings chain is reporting lower sales compared to last quarter. If this trend continues, what are the potential consequences, and how will restaurants fight back?

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Correction: A previous version stated that Papa John’s pizza sales were down last quarter. However, third quarter earnings released after this story aired report that its system-wide comparable sales increased globally.