Which MLB superstar-turned-author took performance-enhancing drugs and acquired 40 home runs and 40 stolen bases in the same season?
40–40 club: In Major League Baseball (MLB), the 40–40 club is the group of batters who have collected 40 home runs and 40 stolen bases in a single season. 40–40 club:  Jose Canseco was the first to achieve this, doing so in 1988 after having predicted the feat in April of that year. Jose Canseco:  Canseco has admitted using performance-enhancing drugs during his playing career, and in 2005 wrote a tell-all book, "", in which he claimed that the vast majority of MLB players use steroids.
Jose Canseco