It’s inevitable. Whenever there is a major sporting event being televised by a network, fans of both teams claim the national broadcasters are favoring the other side.

But Blues fans who think NBC’s coverage of the current Stanley Cup Final has been Boston boosting will be interested in seeing a very pro-St. Louis promotional announcement it has produced. Actor Jon Hamm, a native St. Louisan and rabid Blues fan, narrates the piece. It will air on NBC daytime programming Saturday leading into the telecast of Game 3 of the Blues-Bruins series that night on NBCSN. It also is to be posted on social media sites.

“It’s been 49 years since the Blues were in a Stanley Cup Final,” Hamm says to open the high-energy bit packed with highlights. “But we are here. And after this final, the only team singing the blues will be the Bruins.”

The opening of the telecast that night is scheduled to have shots of the Cup at spots around town, including at Mike Talayna’s Juke Box (which was SchmieZing’s, a big hockey hangout when the team played at The Arena), as well as BB’s Jazz, Blues and Soups.

Coverage, either pregame, between periods or during the contest, also is to include scenes from around St. Louis, including the Zoo. Also set are a feature story on the Blues’ Ryan O’Reilly and his family as well as teammate and St. Louis native Pat Maroon.

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