Inside the numbers following UFC Kansas City, where Zhang Mingyang keep his perfect first-round finish rate alive by retiring Anthony Smith.

Playing the role of spoiler was Zhang Mingyang, who proved too much for Smith (37-22 MMA, 13-12 UFC) to handle. The light heavyweight fight served as the UFC on ESPN 66 co-main event at T-Mobile Center in Kansas City, Mo. Mingyang (19-6 MMA, 3-0 UFC) remained undefeated in the UFC by stopping Smith with heavy ground and pound at 4:03 of Round 1.

Zhang Mingyang comes out with a big victory in the co-main event of UFC Fight Night over Anthony Smith, who announced he would retire after the fight.