Proceedings during a pre-fight press conference ahead of Canelo Alvarez and Terence Crawford's super middleweight title bout in Las Vegas boiled over when the two boxers got physical.

The call for a doping probe into Canelo Álvarez and his team is serious. In a sport where physical performance is paramount, even the slightest suspicion can damage a fighter’s reputation.

The Kansas City Chiefs star bought a stake in the four-year-old last August , in partnership with owners Gary Barber, Team ...

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