Overview

• Yoo showboated and largely controlled the opening round before getting caught early in the second.
• A left hook from Santos dropped Yoo, and referee Herb Dean halted the bout after unanswered follow-up shots.
• The defeat was the first of Yoo’s professional career, leaving him 1-1 in the UFC after a 26-second debut win.
• Santos improved to 4-1 in the UFC, snapping a decision streak with his most emphatic win in nearly three years.
• The matchup unfolded on the UFC 320 prelims at T-Mobile Arena in Las Vegas on a card topped by Ankalaev vs. Pereira.