Trainer advertised performance-enhancing drugs before working with Canelo Álvarez

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Rulas Arreola advertised human growth hormone
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Trainer is with Álvarez for Terence Crawford fight
A trainer who is working with Canelo Álvarez advertised performance-enhancing drugs for sale, including human growth hormone, before he joined the super-middleweight boxer’s team, the Guardian can reveal.
Rulas Arreola, also known as Raul Arreola Dosal, has travelled to Las Vegas with Canelo to prepare for a “super fight” with the undefeated American Terence Crawford on Saturday. It is a contest marketed as a “once-in-a-lifetime event that marks the beginning of a bold new era in boxing”.