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Despite hosting one of the biggest fights in years, 2015 has officially become the year where the old guard washes out of boxing.
With Floyd Mayweather and Manny Pacquiao’s long-awaited clash now over and both fighters set to hang up their gloves -- Mayweather in September; Pacquiao in April -- the last to fall from the old regime of long-standing champions was Wladimir Klitschko.