What happened: A preview package billed as a rundown of one of MLS's most storied rivalries was published ahead of tonight's match. The content, presented by Ticketmaster, was posted to promote the game before kickoff.

Why it matters: The rivalry billing signals heightened stakes for tonight's matchup within MLS. The Ticketmaster sponsorship reflects the league's ongoing push to tie ticket sales to marquee rivalry games.

What to watch: Kickoff for tonight's match is the next thing to watch.