According to longtime director David Silverman's Twitter, The Simpsons did a Coca-Cola commercial for a sporting event called the Superbowl [Twitter]
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The [minor league baseball team] Portland Beavers will honor America's goofiest dad later this summer. The Pacific Coast League Beavers, in announcing their 2007 promotional schedule, said they'll hold Homer Simpson Night on July 21. The homage will honor the cartoon character whose creator, Matt Groening, grew up in Portland.
Homage, or should it be.... Homerage??? [Portland Business Journal]