Every fight in boxing tonight, including the fight cards, start times, and how to watch for Teofimo Lopez vs Shakur Stevenson, Keyshawn Davis vs Jamaine Ortiz and more.

Zuffa Boxing is scheduled to hold its first event with a fight card matching Callum Walsh against Carlos Ocampo.

Here's what you need to know to watch Zuffa Boxing 01 on Paramount+, which is the UFC-owned boxing promotion’s debut.

Xander Zayas vs. Abass Baraou is a free junior middleweight unification fight on Saturday. Here's the start time and how to watch.

Abass Baraou vs. Xander Zayas is a junior middleweight unification bout. David Greisman looks at the fighters and everything else you need to know about this show.

Sign up for Paramount+ and watch Zuffa Boxing 01 live on Friday night for no additional fee. UFC 324 on Saturday -- plus every UFC numbered event and UFC Fight Night -- is included with the price of your subscription! Plans start as low as $8.99/month or $89.99/year!

Burgeoning Irish star Callum Walsh will put his perfect professional record on the line when he meets Carlos Ocampo in the middleweight main event on Friday in Las Vegas.

The preliminary fight card at tonight’s Zuffa Boxing event begins at 6:00 p.m. ET tonight, Jan. 23, while the main event card will start at 9:00 p.m. ET. As noted above, Zuffa Boxing is exclusive to Paramount+. However, unlike past UFC-related events, there is no pay-per-view, so all you’ll need is a basic subscription to tune in.