https://youtu.be/F68AVkvaKGc

Saad Keeps Crown on Disputed Knockout By Deane McGowen, The New York Times, April 26, 1981

Light heavyweight world champion Matthew Saad Muhammad defends his WBC title against challanger Vonzell Johnson, who he stops in 11 rounds.

The eighth round of this fight was the 1980 Round of the Year, and the 8th most exciting round in boxing history (in 2001), both according to Ring Magazine. The fight was also Ring Magazine's Fight of the Year for 1980.

Matthew Saad Muhammad (Matthew Franklin) scores an 11th round TKO over Alvaro "Yaqui" Lopez at 2:59.

https://youtu.be/fNZgaGV2HGc

The eighth round of this fight was the 1979 Round of the Year, according to Ring Magazine. The fight was named the 35th greatest title fight of all-time in 1996, also by Ring Magazine.