Twenty-one U.S. track and field athletes, including...

Twenty-one U.S. track and field athletes, including Edwin Moses and Jackie Joyner-Kersee, tested negative for drugs in the latest batch of random tests, The Athletics Congress said.

The TAC report covered four separate testing periods starting the week of Nov. 20. The year-round testing program began Oct. 2. No athletes have tested positive, although several who failed to show up for the tests are under investigation.