Tszyu's Historic Upset: What It Means for Boxing and Beyond The boxing world is still reeling from Tim Tszyu's unanimous decision victory over Errol Spence Jr. in Sydney on Sunday.
The Australian challenger's triumph has sent shockwaves through the sport, with many hailing it as one of the greatest upsets in recent history.
Tszyu, 26, was widely regarded as the inferior fighter going into the bout, and his chances were written off by many pundits.