What happened: The Las Vegas Raiders posted a public good-luck message to the Vegas Golden Knights, who are competing in the Stanley Cup Final. The Golden Knights replied in kind, tagging the Raiders in a show of cross-town solidarity. The exchange comes as Vegas's NHL club chases the franchise's championship hopes on home ice.

Why it matters: The message underscores the tight-knit relationship among Las Vegas's professional franchises, who frequently amplify one another across social channels. With the Golden Knights having rallied late to take Game 1 of the Stanley Cup Final, the city's sports attention is squarely on the ice while the Raiders work through their offseason program.

What to watch: Watch whether the Golden Knights can build on their Game 1 result as the Final continues, and expect continued cross-promotion from Las Vegas's pro teams.