MMA pound-for-pound rankings: Biggest upward move is Petr Yan's entry into men's top 10

Alexander Volkanovski and Kayla Harrison make gains in latest ESPN women's rankings.

source https://www.espn.com/mma/story/_/page/p4pMay18/mma-pound-pound-rankings-biggest-upward-move-petr-yan-entry-men-top-10