Muhammed Ali vs. Chuck Wepner ID: 9867 | This file appears in: Richfield Coliseum Heavyweight bout took place in the Richfield Coliseum on March 24, 1975. This fight is widely credited as the inspiration for the film Rocky starring Sylvester Stallone. | Date: March 24, 1975 | Source: Plain Dealer Historical Photograph Collection/Associated Press Download Original File SourcePlain Dealer Historical Photograph Collection/Associated PressDateMarch 24, 1975 "Muhammed Ali vs. Chuck Wepner" appears in: Richfield Coliseum