Credibility of anti-doping programs increased with positive tests
Tyson Gay (left) and Asafa Powell (right) both tested positive for banned substances, as reported Sunday.
FABRICE COFFRINI/Getty Images
Copyright 2014 Associated Press. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.
We've Got Apps Too
Get expert analysis, unrivaled access, and the award-winning storytelling only SI can provide—from Peter King, Tom Verducci, Lee Jenkins, Andy Staples, Grant Wahl, and more—delivered straight to you, along with up-to-the-minute news and live scores.