I am reading Roberto Duran's biography named "Hands of Stone" (by Christian Giudice) and on page 146, Duran said this about his 2nd fight with Edwin Viruet:
Here is the source: read the yellow marked part:
http://postimg.org/image/igtv8hvo7/
"They gave me this injection to get stronger and faster....an injection that they give to horses....."
Here is the source: read the yellow marked part:
http://postimg.org/image/igtv8hvo7/
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