Las Vegas – UFC® will return to Philadelphia with a bout guaranteed to deliver fireworks, as No. 6 ranked lightweight contender Edson Barboza takes on No. 7 Justin Gaethje. In a pivotal strawweight bout, No. 6 ranked contender Karolina Kowalkiewicz faces No. 8 Michelle Waterson. UFC FIGHT NIGHT® ON ESPN: BARBOZA vs. GAETHJE takes place …
