To strip away all personal bias and put an end to the endless arguments, a comprehensive feature-length documentary has arrived that introduces Rummy’s Cross-Era Index—a rigid, objective mathematical tracking system that evaluated exactly 379 boxers across 13 distinct eras from January 1, 1890 to December 31, 2019.
Rather than relying on hypothetical time-machine matchups or modern sports science, the index isolates boxing history era-by-era. By tracking a fighter’s contemporary peer perception tally (Era Points %) against a cushioned square-root curve (Era Peak Multiplier), the system sifts through hundreds of historical resumes to isolate raw dominance and crown a definitive King of Kings.
From early pioneer legends like Bob Fitzsimmons, Harry Greb, and Sam Langford, to midcentury icons like Sugar Ray Robinson and Joe Louis, straight through to the modern kings of the 4-belt era like Manny Pacquiao and Floyd Mayweather Jr., this new feature-length video counts down the elite 100 fighters who successfully punched their ticket onto the master ledger.
The nearly four-year data journey (covering 13 decades) is officially complete, and the final master countdown is now live. What does the cold, objective math reveal when the dust settles across 13 decades of boxing history? Which eras proved most dominant, and how did the final rankings shake out?
This edition of Rummy’s Corner explores the methodology and breaks down the master ledger. Check out the feature-length countdown to see how the numbers aligned. This is Rummy’s Corner (written, narrated, and produced by Geoffrey Ciani).
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