BRONX, NY: Jose Canseco of the Oakland A's is greeted by fellow Bash Brother Mark McGwire during an MLB game at Yankee Stadium in the Bronx, New York. Jose Canseco played for the Oakland A's from 1985 -1992. (Photo by Rich Pilling/MLB Photos via Getty Images)
Jose Canseco has been the one person to consistently tell the truth about cheating in the majors. He blew the cover off of the Steroid Era in baseball, partly for revenge after he felt he was blackballed for the game and partly to earn a quick buck, but there is no questioning that he was accurate.