The vertical video gold rush has pulled in one of the biggest players in traditional media — the NFL. Or at least, one of its marquee franchises. The Kansas City Chiefs are diving into the micro-series realm with a comedy called El Offseason. The Spanish-language show will follow the misadventures of four (fictional) team employees whose offseason months spiral into chaos. The team says the nine-episode series will combine elements of sketch comedy with the wild plot twists of a telenovela. El Offseason is set to premiere June 12 in the United States, Mexico and Spain. As part of the NFL’s global markets program, the Chiefs have marketing rights in the latter two countries (along with several other franchises), hence the Spanish-language effort. A trailer for the series is below. “This is exactly the kind of storytelling opportunity the offseason creates,” said Lauren Denowitz, vp brand marketing and fan engagement for the team. “When the games stop, the connection matters even more. El Offseason lets us show up for our fans in a way that feels …