Naoya Inoue put his undisputed super bantamweight title on the line against Ramon Cardenas at the T-Mobile Arena in Las Vegas May 4. Inoue came into the contest looking to add another knockout to his collection.

Naoya Inoue survives scare to knockout Ramon Cardenas and remain undefeated - The 30-0 featherweight was knocked down by Cardenas but eventually prevailed in the eighth round

Naoya Inoue takes Ramon Cardenas' best shot before retaining his undisputed junior featherweight title. Here are all of the results and highlights.