Bucs RB Doug Martin has opted not to appeal a four-game suspension and will begin serving it immediately, after a positive drug test.
Four Russian gold-medal winners at the Sochi Olympics used performance-enhancing drugs, according to whistleblowers who spoke with CBS' "60 Minutes" in an interview to air Sunday.
MLB is expected to announce in the next few days that another player has tested positive for the steroid Turinabol, which was common in the 1970s, a source told Outside the Lines.
Dodgers right-hander Josh Ravin has been suspended 80 games following a positive PED test.
MLB said Marlins second baseman Dee Gordon tested positive for exogenous testosterone and clostebol, both performance-enhancing substances.
Cubs ace Jake Arrieta said he finds it "somewhat flattering" that other players question whether he has used PEDs.
