Ryan Braun, who joined the Milwaukee Brewers in 2007, didn’t fit image fans conjure up when they hear that a baseball slugger has been accused of using performance enhancing drugs.

The player helped drive the Brewers to the playoffs was voted as the Most Valuable Player of the NFL.

“One theory is that anabolic steroids hasten the repair of those muscle fibers, and allow you to work out harder,” Norman Fost, a professor of pediatrics and director of the bioethics program at the University of Wisconsin, said.