Bryan Flores (27-1-1) and Starling Castillo (20-1-1) square off in a compelling 10-round super lightweight main event on Friday, as two once-beaten prospects battle for positioning toward a potential world ranking.

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.

You can watch Zuffa Boxing events live on Paramount+, with both the prelims and main card available to stream in one place. The best part: Zuffa Boxing events do not require a pay-per-view purchase — you just need an active Paramount+ subscription.

You can watch Zuffa Boxing live on Paramount+, with both the prelims and main card available to stream in one place. The best part: Zuffa Boxing events do not require a pay-per-view purchase — you just need an active Paramount+ subscription.