"The players contend that the league-appointed drug test collector mishandled their urine samples and that the arbitrator who heard their appeals violated protocol in several ways, including speaking to an N.F.L. executive in private."
"The legal challenge by McBean and Williams comes less than a month after Ryan Braun successfully appealed his suspension for violating Major League Baseball’s drug policy. Braun argued that the drug collector had broken the chain of custody in the handling of his urine sample by not sending the sample immediately to a laboratory for testing and instead taking it home with him for the weekend."